mirror of
https://github.com/ZDoom/gzdoom.git
synced 2024-12-11 13:11:48 +00:00
604 lines
No EOL
16 KiB
C++
604 lines
No EOL
16 KiB
C++
/*
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** d_iwad.cpp
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** IWAD detection code
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**
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**---------------------------------------------------------------------------
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** Copyright 1998-2009 Randy Heit
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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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#include "d_main.h"
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#include "gi.h"
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#include "cmdlib.h"
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#include "doomstat.h"
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#include "i_system.h"
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#include "w_wad.h"
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#include "w_zip.h"
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#include "v_palette.h"
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#include "m_argv.h"
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#include "m_misc.h"
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#include "c_cvars.h"
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#include "sc_man.h"
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#include "v_video.h"
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#include "gameconfigfile.h"
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#include "resourcefiles/resourcefile.h"
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CVAR (Bool, queryiwad, true, CVAR_ARCHIVE|CVAR_GLOBALCONFIG);
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CVAR (String, defaultiwad, "", CVAR_ARCHIVE|CVAR_GLOBALCONFIG);
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//==========================================================================
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//
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// Clear check list
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//
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//==========================================================================
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void FIWadManager::ClearChecks()
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{
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mLumpsFound.Resize(mIWads.Size());
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for(unsigned i=0;i<mLumpsFound.Size(); i++)
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{
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mLumpsFound[i] = 0;
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}
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}
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//==========================================================================
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//
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// Check one lump
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//
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//==========================================================================
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void FIWadManager::CheckLumpName(const char *name)
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{
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for(unsigned i=0; i< mIWads.Size(); i++)
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{
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for(unsigned j=0; j < mIWads[i].Lumps.Size(); j++)
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{
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if (!mIWads[i].Lumps[j].CompareNoCase(name))
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{
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mLumpsFound[i] |= (1<<j);
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}
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}
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}
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}
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//==========================================================================
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//
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// Returns check result
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//
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//==========================================================================
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int FIWadManager::GetIWadInfo()
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{
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for(unsigned i=0; i< mIWads.Size(); i++)
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{
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if (mLumpsFound[i] == (1 << mIWads[i].Lumps.Size()) - 1)
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{
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return i;
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}
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}
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return -1;
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}
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//==========================================================================
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//
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// Parses IWAD definitions
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//
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//==========================================================================
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void FIWadManager::ParseIWadInfo(const char *fn, const char *data, int datasize)
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{
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FScanner sc;
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sc.OpenMem("IWADINFO", data, datasize);
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while (sc.GetString())
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{
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if (sc.Compare("IWAD"))
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{
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FIWADInfo *iwad = &mIWads[mIWads.Reserve(1)];
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sc.MustGetStringName("{");
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while (!sc.CheckString("}"))
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{
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sc.MustGetString();
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if (sc.Compare("Name"))
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{
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sc.MustGetStringName("=");
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sc.MustGetString();
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iwad->Name = sc.String;
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}
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else if (sc.Compare("Autoname"))
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{
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sc.MustGetStringName("=");
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sc.MustGetString();
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iwad->Autoname = sc.String;
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}
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else if (sc.Compare("Config"))
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{
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sc.MustGetStringName("=");
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sc.MustGetString();
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iwad->Configname = sc.String;
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}
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else if (sc.Compare("Game"))
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{
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sc.MustGetStringName("=");
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sc.MustGetString();
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if (sc.Compare("Doom")) iwad->gametype = GAME_Doom;
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else if (sc.Compare("Heretic")) iwad->gametype = GAME_Heretic;
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else if (sc.Compare("Hexen")) iwad->gametype = GAME_Hexen;
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else if (sc.Compare("Strife")) iwad->gametype = GAME_Strife;
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else if (sc.Compare("Chex")) iwad->gametype = GAME_Chex;
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else sc.ScriptError(NULL);
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}
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else if (sc.Compare("Mapinfo"))
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{
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sc.MustGetStringName("=");
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sc.MustGetString();
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iwad->MapInfo = sc.String;
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}
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else if (sc.Compare("Compatibility"))
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{
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sc.MustGetStringName("=");
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do
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{
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sc.MustGetString();
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if(sc.Compare("NoTextcolor")) iwad->flags |= GI_NOTEXTCOLOR;
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else if(sc.Compare("Poly1")) iwad->flags |= GI_COMPATPOLY1;
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else if(sc.Compare("Poly2")) iwad->flags |= GI_COMPATPOLY2;
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else if(sc.Compare("Shareware")) iwad->flags |= GI_SHAREWARE;
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else if(sc.Compare("Teaser2")) iwad->flags |= GI_TEASER2;
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else if(sc.Compare("Extended")) iwad->flags |= GI_MENUHACK_EXTENDED;
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else if(sc.Compare("Shorttex")) iwad->flags |= GI_COMPATSHORTTEX;
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else if(sc.Compare("Stairs")) iwad->flags |= GI_COMPATSTAIRS;
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else sc.ScriptError(NULL);
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}
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while (sc.CheckString(","));
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}
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else if (sc.Compare("MustContain"))
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{
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sc.MustGetStringName("=");
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do
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{
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sc.MustGetString();
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iwad->Lumps.Push(FString(sc.String));
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}
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while (sc.CheckString(","));
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}
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else if (sc.Compare("BannerColors"))
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{
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sc.MustGetStringName("=");
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sc.MustGetString();
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iwad->FgColor = V_GetColor(NULL, sc.String);
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sc.MustGetStringName(",");
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sc.MustGetString();
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iwad->BkColor = V_GetColor(NULL, sc.String);
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}
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else if (sc.Compare("Load"))
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{
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sc.MustGetStringName("=");
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do
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{
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sc.MustGetString();
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iwad->Load.Push(FString(sc.String));
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}
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while (sc.CheckString(","));
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}
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else if (sc.Compare("Required"))
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{
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sc.MustGetStringName("=");
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sc.MustGetString();
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iwad->Required = sc.String;
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}
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else
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{
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sc.ScriptError("Unknown keyword '%s'", sc.String);
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}
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}
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}
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else if (sc.Compare("NAMES"))
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{
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sc.MustGetStringName("{");
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mIWadNames.Push(FString());
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while (!sc.CheckString("}"))
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{
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sc.MustGetString();
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FString wadname = sc.String;
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#if defined(_WIN32) || defined(__APPLE__) // Turns out Mac OS X is case insensitive.
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mIWadNames.Push(wadname);
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#else
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// check for lowercase, uppercased first letter and full uppercase on Linux etc.
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wadname.ToLower();
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mIWadNames.Push(wadname);
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wadname.LockBuffer()[0] = toupper(wadname[0]);
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wadname.UnlockBuffer();
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mIWadNames.Push(wadname);
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wadname.ToUpper();
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mIWadNames.Push(wadname);
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#endif
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}
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}
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}
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}
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//==========================================================================
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//
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// Lool for IWAD definition lump
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//
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//==========================================================================
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void FIWadManager::ParseIWadInfos(const char *fn)
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{
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FResourceFile *resfile = FResourceFile::OpenResourceFile(fn, NULL, true);
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if (resfile != NULL)
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{
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DWORD cnt = resfile->LumpCount();
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for(int i=cnt-1; i>=0; i--)
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{
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FResourceLump *lmp = resfile->GetLump(i);
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if (lmp->Namespace == ns_global && !stricmp(lmp->Name, "IWADINFO"))
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{
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// Found one!
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ParseIWadInfo(resfile->Filename, (const char*)lmp->CacheLump(), lmp->LumpSize);
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break;
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}
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}
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delete resfile;
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}
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if (mIWadNames.Size() == 0 || mIWads.Size() == 0)
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{
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I_FatalError("No IWAD definitions found");
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}
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}
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//==========================================================================
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//
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// ScanIWAD
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//
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// Scan the contents of an IWAD to determine which one it is
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//==========================================================================
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int FIWadManager::ScanIWAD (const char *iwad)
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{
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FResourceFile *iwadfile = FResourceFile::OpenResourceFile(iwad, NULL, true);
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if (iwadfile != NULL)
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{
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ClearChecks();
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for(DWORD ii = 0; ii < iwadfile->LumpCount(); ii++)
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{
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FResourceLump *lump = iwadfile->GetLump(ii);
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CheckLumpName(lump->Name);
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if (lump->FullName != NULL)
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{
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if (strnicmp(lump->FullName, "maps/", 5) == 0)
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{
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FString mapname(lump->FullName+5, strcspn(lump->FullName+5, "."));
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CheckLumpName(mapname);
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}
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}
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}
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delete iwadfile;
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}
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return GetIWadInfo();
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}
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//==========================================================================
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//
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// CheckIWAD
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//
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// Tries to find an IWAD from a set of known IWAD names, and checks the
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// contents of each one found to determine which game it belongs to.
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// Returns the number of new wads found in this pass (does not count wads
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// found from a previous call).
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//
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//==========================================================================
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int FIWadManager::CheckIWAD (const char *doomwaddir, WadStuff *wads)
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{
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const char *slash;
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int numfound;
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numfound = 0;
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slash = (doomwaddir[0] && doomwaddir[strlen (doomwaddir)-1] != '/') ? "/" : "";
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// Search for a pre-defined IWAD
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for (unsigned i=0; i< mIWadNames.Size(); i++)
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{
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if (mIWadNames[i].IsNotEmpty() && wads[i].Path.IsEmpty())
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{
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FString iwad;
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iwad.Format ("%s%s%s", doomwaddir, slash, mIWadNames[i].GetChars());
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FixPathSeperator (iwad);
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if (FileExists (iwad))
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{
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wads[i].Type = ScanIWAD (iwad);
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if (wads[i].Type != -1)
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{
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wads[i].Path = iwad;
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wads[i].Name = mIWads[wads[i].Type].Name;
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numfound++;
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}
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}
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}
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}
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return numfound;
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}
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//==========================================================================
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//
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// IdentifyVersion
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//
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// Tries to find an IWAD in one of four directories under DOS or Win32:
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// 1. Current directory
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// 2. Executable directory
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// 3. $DOOMWADDIR
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// 4. $HOME
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//
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// Under UNIX OSes, the search path is:
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// 1. Current directory
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// 2. $DOOMWADDIR
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// 3. $HOME/.zdoom
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// 4. The share directory defined at compile time (/usr/local/share/zdoom)
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//
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// The search path can be altered by editing the IWADSearch.Directories
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// section of the config file.
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//
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//==========================================================================
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int FIWadManager::IdentifyVersion (TArray<FString> &wadfiles, const char *iwad, const char *zdoom_wad)
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{
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TArray<WadStuff> wads;
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TArray<size_t> foundwads;
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const char *iwadparm = Args->CheckValue ("-iwad");
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size_t numwads;
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int pickwad;
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size_t i;
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bool iwadparmfound = false;
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FString custwad;
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ParseIWadInfos(zdoom_wad);
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wads.Resize(mIWadNames.Size());
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foundwads.Resize(mIWads.Size());
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memset(&foundwads[0], 0, foundwads.Size() * sizeof(foundwads[0]));
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if (iwadparm == NULL && iwad != NULL && *iwad != 0)
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{
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iwadparm = iwad;
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}
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if (iwadparm)
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{
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custwad = iwadparm;
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FixPathSeperator (custwad);
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if (CheckIWAD (custwad, &wads[0]))
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{ // -iwad parameter was a directory
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iwadparm = NULL;
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}
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else
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{
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DefaultExtension (custwad, ".wad");
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iwadparm = custwad;
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mIWadNames[0] = custwad;
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CheckIWAD ("", &wads[0]);
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}
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}
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if (iwadparm == NULL || wads[0].Path.IsEmpty() || mIWads[wads[0].Type].Required.IsNotEmpty())
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{
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if (GameConfig->SetSection ("IWADSearch.Directories"))
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{
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const char *key;
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const char *value;
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while (GameConfig->NextInSection (key, value))
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{
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if (stricmp (key, "Path") == 0)
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{
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FString nice = NicePath(value);
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FixPathSeperator(nice);
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CheckIWAD(nice, &wads[0]);
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}
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}
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}
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#ifdef _WIN32
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FString steam_path = I_GetSteamPath();
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if (steam_path.IsNotEmpty())
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{
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static const char *const steam_dirs[] =
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{
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"doom 2/base",
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"final doom/base",
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"heretic shadow of the serpent riders/base",
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"hexen/base",
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"hexen deathkings of the dark citadel/base",
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"ultimate doom/base"
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};
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steam_path += "/SteamApps/common/";
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for (i = 0; i < countof(steam_dirs); ++i)
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{
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CheckIWAD (steam_path + steam_dirs[i], &wads[0]);
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}
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}
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#endif
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}
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if (iwadparm != NULL && !wads[0].Path.IsEmpty())
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{
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iwadparmfound = true;
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}
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for (i = numwads = 0; i < mIWadNames.Size(); i++)
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{
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if (!wads[i].Path.IsEmpty())
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{
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if (i != numwads)
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{
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wads[numwads] = wads[i];
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}
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foundwads[wads[numwads].Type] = numwads + 1;
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numwads++;
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}
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}
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for (unsigned i=0; i<mIWads.Size(); i++)
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{
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if (mIWads[i].Required.IsNotEmpty() && foundwads[i])
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{
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bool found = false;
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// needs to be loaded with another IWAD (HexenDK)
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for (unsigned j=0; j<mIWads.Size(); j++)
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{
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if (!mIWads[i].Required.Compare(mIWads[j].Name))
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{
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if (foundwads[j])
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{
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found = true;
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mIWads[i].preload = j;
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}
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break;
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}
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}
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// The required WAD is not there so this one can't be used and must be deleted from the list
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if (!found)
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{
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size_t kill = foundwads[i];
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for (size_t j = kill; j < numwads; ++j)
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{
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wads[j - 1] = wads[j];
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}
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numwads--;
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foundwads[i] = 0;
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for (unsigned j = 0; j < foundwads.Size(); ++j)
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{
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if (foundwads[j] > kill)
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{
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foundwads[j]--;
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}
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}
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}
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}
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}
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if (numwads == 0)
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{
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I_FatalError ("Cannot find a game IWAD (doom.wad, doom2.wad, heretic.wad, etc.).\n"
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"Did you install ZDoom properly? You can do either of the following:\n"
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"\n"
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"1. Place one or more of these wads in the same directory as ZDoom.\n"
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"2. Edit your zdoom-username.ini and add the directories of your iwads\n"
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"to the list beneath [IWADSearch.Directories]");
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}
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pickwad = 0;
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if (!iwadparmfound && numwads > 1)
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{
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int defiwad = 0;
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// Locate the user's prefered IWAD, if it was found.
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if (defaultiwad[0] != '\0')
|
|
{
|
|
for (i = 0; i < numwads; ++i)
|
|
{
|
|
FString basename = ExtractFileBase (wads[i].Path);
|
|
if (stricmp (basename, defaultiwad) == 0)
|
|
{
|
|
defiwad = (int)i;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
pickwad = I_PickIWad (&wads[0], (int)numwads, queryiwad, defiwad);
|
|
if (pickwad >= 0)
|
|
{
|
|
// The newly selected IWAD becomes the new default
|
|
FString basename = ExtractFileBase (wads[pickwad].Path);
|
|
defaultiwad = basename;
|
|
}
|
|
}
|
|
|
|
if (pickwad < 0)
|
|
exit (0);
|
|
|
|
// zdoom.pk3 must always be the first file loaded and the IWAD second.
|
|
wadfiles.Clear();
|
|
D_AddFile (wadfiles, zdoom_wad);
|
|
|
|
if (mIWads[wads[pickwad].Type].preload >= 0)
|
|
{
|
|
D_AddFile (wadfiles, wads[foundwads[mIWads[wads[pickwad].Type].preload]-1].Path);
|
|
}
|
|
D_AddFile (wadfiles, wads[pickwad].Path);
|
|
|
|
for (unsigned i=0; i < mIWads[wads[pickwad].Type].Load.Size(); i++)
|
|
{
|
|
long lastslash = wads[pickwad].Path.LastIndexOf ('/');
|
|
FString path;
|
|
|
|
if (lastslash == -1)
|
|
{
|
|
path = "";// wads[pickwad].Path;
|
|
}
|
|
else
|
|
{
|
|
path = FString (wads[pickwad].Path.GetChars(), lastslash + 1);
|
|
}
|
|
path += mIWads[wads[pickwad].Type].Load[i];
|
|
D_AddFile (wadfiles, path);
|
|
|
|
}
|
|
return wads[pickwad].Type;
|
|
}
|
|
|
|
|
|
//==========================================================================
|
|
//
|
|
// Find an IWAD to use for this game
|
|
//
|
|
//==========================================================================
|
|
|
|
const FIWADInfo *FIWadManager::FindIWAD(TArray<FString> &wadfiles, const char *iwad, const char *basewad)
|
|
{
|
|
int iwadType = IdentifyVersion(wadfiles, iwad, basewad);
|
|
//gameiwad = iwadType;
|
|
const FIWADInfo *iwad_info = &mIWads[iwadType];
|
|
if (DoomStartupInfo.Name.IsEmpty()) DoomStartupInfo.Name = iwad_info->Name;
|
|
if (DoomStartupInfo.BkColor == 0 && DoomStartupInfo.FgColor == 0)
|
|
{
|
|
DoomStartupInfo.BkColor = iwad_info->BkColor;
|
|
DoomStartupInfo.FgColor = iwad_info->FgColor;
|
|
}
|
|
I_SetIWADInfo();
|
|
return iwad_info;
|
|
} |