mirror of
https://github.com/libretro/scummvm.git
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268 lines
7.0 KiB
C++
268 lines
7.0 KiB
C++
/* ScummVM - Scumm Interpreter
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* Copyright (C) 2004-2005 The ScummVM project
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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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 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 this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*
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* $Header$
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*
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*/
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#include "stdafx.h"
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#include "resource.h"
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#include "wsamovie.h"
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#include "common/file.h"
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#include "script.h"
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namespace Kyra {
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Resourcemanager::Resourcemanager(KyraEngine* engine) {
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_engine = engine;
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// prefetches all PAK Files
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// ugly a hardcoded list
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// TODO: use the FS Backend to get all .PAK Files and load them
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// or any other thing to get all files
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static const char* kyra1Filelist[] = {
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"A_E.PAK", "DAT.PAK", "F_L.PAK", "MAP_5.PAK", "MSC.PAK", "M_S.PAK",
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"S_Z.PAK", "WSA1.PAK", "WSA2.PAK", "WSA3.PAK", "WSA4.PAK", "WSA5.PAK",
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"WSA6.PAK", 0
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};
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static const char* kyra1CDFilelist[] = {
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"ADL.PAK", "BRINS.PAK", "CLIFF.PAK", "ENTER.PAK", "FORESTA.PAK", "GEM.PAK", "INTRO1.PAK",
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"LEPHOLE.PAK", "OAKS.PAK", "SPELL.PAK", "WILLOW.PAK", "ALCHEMY.PAK", "BROKEN.PAK", "COL.PAK",
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"EXTHEAL.PAK", "FORESTB.PAK", "GEMCUT.PAK", "INTRO2.PAK", "LIBRARY.PAK", "PLATEAU.PAK", "SPRING.PAK",
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"WISE.PAK", "ALGAE.PAK", "BURN.PAK", "DARMS.PAK", "EXTPOT.PAK", "FORESTC.PAK", "GENCAVB.PAK",
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"INTRO3.PAK", "MISC.PAK", "PLTCAVE.PAK", "SQUARE.PAK", "XEDGE.PAK", "ALTAR.PAK", "CASTLE.PAK",
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"DEAD.PAK", "EXTSPEL.PAK", "FOUNTN.PAK", "GENHALL.PAK", "INTRO4.PAK", "MIX.PAK", "POTION.PAK",
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"STARTUP.PAK", "XEDGEB.PAK", "ARCH.PAK", "CATACOM.PAK", "DNSTAIR.PAK", "FALLS.PAK", "FOYER.PAK",
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"GEN_CAV.PAK", "KITCHEN.PAK", "MOONCAV.PAK", "RUBY.PAK", "STUMP.PAK", "XEDGEC.PAK", "BALCONY.PAK",
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"CAVE.PAK", "DRAGON.PAK", "FESTSTH.PAK", "FSOUTH.PAK", "GLADE.PAK", "KYRAGEM.PAK", "NCLIFF.PAK",
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"SICKWIL.PAK", "TEMPLE.PAK", "XMI.PAK", "BELROOM.PAK", "CAVEB.PAK", "EDGE.PAK", "FGOWEST.PAK",
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"FSOUTHB.PAK", "GRAVE.PAK", "LAGOON.PAK", "NCLIFFB.PAK", "SND.PAK", "TRUNK.PAK", "ZROCK.PAK",
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"BONKBG.PAK", "CGATE.PAK", "EDGEB.PAK", "FINALE.PAK", "FWSTSTH.PAK", "GRTHALL.PAK", "LANDING.PAK",
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"NWCLIFB.PAK", "SONG.PAK", "UPSTAIR.PAK", "BRIDGE.PAK", "CHASM.PAK", "EMCAV.PAK", "FNORTH.PAK",
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"GATECV.PAK", "HEALER.PAK", "LAVA.PAK", "NWCLIFF.PAK", "SORROW.PAK", "WELL.PAK", 0
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};
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const char** usedFilelist = 0;
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if (_engine->game() == KYRA1)
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usedFilelist = kyra1Filelist;
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else if (_engine->game() == KYRA1CD)
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usedFilelist = kyra1CDFilelist;
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else
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error("no filelist found for this game");
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for (uint32 tmp = 0; usedFilelist[tmp]; ++tmp) {
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// prefetch file
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PAKFile* file = new PAKFile(usedFilelist[tmp]);
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assert(file);
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if (file->isOpen() && file->isValid())
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_pakfiles.push_back(file);
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else
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debug("couldn't load file '%s' correctly", usedFilelist[tmp]);
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}
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}
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Resourcemanager::~Resourcemanager() {
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Common::List<PAKFile*>::iterator start = _pakfiles.begin();
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for (;start != _pakfiles.end(); ++start) {
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delete *start;
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*start = 0;
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}
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}
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uint8* Resourcemanager::fileData(const char* file, uint32* size) {
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uint8* buffer = 0;
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File file_;
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// test to open it in the main dir
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if (file_.open(file)) {
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*size = file_.size();
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buffer = new uint8[*size];
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assert(buffer);
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file_.read(buffer, *size);
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file_.close();
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} else {
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// opens the file in a PAK File
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Common::List<PAKFile*>::iterator start = _pakfiles.begin();
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for (;start != _pakfiles.end(); ++start) {
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*size = (*start)->getFileSize(file);
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if (!(*size))
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continue;
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buffer = new uint8[*size];
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assert(buffer);
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// creates a copy of the file
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memcpy(buffer, (*start)->getFile(file), *size);
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break;
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}
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}
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if (!buffer || !(*size)) {
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return 0;
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}
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return buffer;
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}
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Palette* Resourcemanager::loadPalette(const char* file) {
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uint32 size = 0;
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uint8* buffer = 0;
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buffer = fileData(file, &size);
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if (!buffer) {
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warning("ResMgr: Failed loading palette %s", file);
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return 0;
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}
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return new Palette(buffer, size);
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}
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CPSImage* Resourcemanager::loadImage(const char* file) {
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uint32 size = 0;
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uint8* buffer = 0;
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buffer = fileData(file, &size);
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if (!buffer)
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return 0;
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return new CPSImage(buffer, size);
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}
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Font* Resourcemanager::loadFont(const char* file) {
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uint32 size = 0;
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uint8* buffer = 0;
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buffer = fileData(file, &size);
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if (!buffer)
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return 0;
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return new Font(buffer, size);
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}
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Movie* Resourcemanager::loadMovie(const char* file) {
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// TODO: we have to check the Extenion to create the right movie
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uint32 size = 0;
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uint8* buffer = 0;
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buffer = fileData(file, &size);
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if (!buffer || !size)
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return 0;
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if (_engine->game() == KYRA1 || _engine->game() == KYRA1CD)
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return new WSAMovieV1(buffer, size, _engine->game());
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else
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return new WSAMovieV2(buffer, size);
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}
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VMContext* Resourcemanager::loadScript(const char* file) {
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VMContext* context = new VMContext(_engine);
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context->loadScript(file);
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return context;
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}
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///////////////////////////////////////////
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// Pak file manager
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#define PAKFile_Iterate Common::List<PakChunk*>::iterator start=_files.begin();start != _files.end(); ++start
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PAKFile::PAKFile(/*const Common::String &path, */const Common::String& file) {
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File pakfile;
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_buffer = 0;
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_open = false;
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if (!pakfile.open(file.c_str())){ /*, File::kFileReadMode, path.c_str())) {*/
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printf("pakfile couldn't open %s\n", file.c_str());
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return;
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}
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uint32 filesize = pakfile.size();
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_buffer = new uint8[filesize];
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assert(_buffer);
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pakfile.read(_buffer, filesize);
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pakfile.close();
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// works with the file
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uint32 pos = 0, startoffset = 0, endoffset = 0;
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startoffset = READ_LE_UINT32(_buffer + pos);
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pos += 4;
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while (pos < filesize) {
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PakChunk* chunk = new PakChunk;
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assert(chunk);
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// saves the name
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chunk->_name = reinterpret_cast<const char*>(_buffer + pos);
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pos += strlen(chunk->_name) + 1;
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if(!(*chunk->_name))
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break;
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endoffset = READ_LE_UINT32(_buffer + pos);
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pos += 4;
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if (endoffset == 0) {
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endoffset = filesize;
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}
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chunk->_data = _buffer + startoffset;
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chunk->_size = endoffset - startoffset;
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_files.push_back(chunk);
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if (endoffset == filesize)
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break;
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startoffset = endoffset;
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}
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_open = true;
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}
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PAKFile::~PAKFile() {
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delete [] _buffer;
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_buffer = 0;
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_open = false;
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for (PAKFile_Iterate) {
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delete *start;
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*start = 0;
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}
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}
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const uint8* PAKFile::getFile(const char* file) {
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for (PAKFile_Iterate) {
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if (!scumm_stricmp((*start)->_name, file))
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return (*start)->_data;
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}
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return 0;
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}
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uint32 PAKFile::getFileSize(const char* file) {
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for (PAKFile_Iterate) {
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if (!scumm_stricmp((*start)->_name, file))
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return (*start)->_size;
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}
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return 0;
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}
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} // end of namespace Kyra
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