scummvm/kyra/resource.cpp
2005-05-10 22:56:25 +00:00

268 lines
7.0 KiB
C++

/* ScummVM - Scumm Interpreter
* Copyright (C) 2004-2005 The ScummVM project
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
* $Header$
*
*/
#include "stdafx.h"
#include "resource.h"
#include "wsamovie.h"
#include "common/file.h"
#include "script.h"
namespace Kyra {
Resourcemanager::Resourcemanager(KyraEngine* engine) {
_engine = engine;
// prefetches all PAK Files
// ugly a hardcoded list
// TODO: use the FS Backend to get all .PAK Files and load them
// or any other thing to get all files
static const char* kyra1Filelist[] = {
"A_E.PAK", "DAT.PAK", "F_L.PAK", "MAP_5.PAK", "MSC.PAK", "M_S.PAK",
"S_Z.PAK", "WSA1.PAK", "WSA2.PAK", "WSA3.PAK", "WSA4.PAK", "WSA5.PAK",
"WSA6.PAK", 0
};
static const char* kyra1CDFilelist[] = {
"ADL.PAK", "BRINS.PAK", "CLIFF.PAK", "ENTER.PAK", "FORESTA.PAK", "GEM.PAK", "INTRO1.PAK",
"LEPHOLE.PAK", "OAKS.PAK", "SPELL.PAK", "WILLOW.PAK", "ALCHEMY.PAK", "BROKEN.PAK", "COL.PAK",
"EXTHEAL.PAK", "FORESTB.PAK", "GEMCUT.PAK", "INTRO2.PAK", "LIBRARY.PAK", "PLATEAU.PAK", "SPRING.PAK",
"WISE.PAK", "ALGAE.PAK", "BURN.PAK", "DARMS.PAK", "EXTPOT.PAK", "FORESTC.PAK", "GENCAVB.PAK",
"INTRO3.PAK", "MISC.PAK", "PLTCAVE.PAK", "SQUARE.PAK", "XEDGE.PAK", "ALTAR.PAK", "CASTLE.PAK",
"DEAD.PAK", "EXTSPEL.PAK", "FOUNTN.PAK", "GENHALL.PAK", "INTRO4.PAK", "MIX.PAK", "POTION.PAK",
"STARTUP.PAK", "XEDGEB.PAK", "ARCH.PAK", "CATACOM.PAK", "DNSTAIR.PAK", "FALLS.PAK", "FOYER.PAK",
"GEN_CAV.PAK", "KITCHEN.PAK", "MOONCAV.PAK", "RUBY.PAK", "STUMP.PAK", "XEDGEC.PAK", "BALCONY.PAK",
"CAVE.PAK", "DRAGON.PAK", "FESTSTH.PAK", "FSOUTH.PAK", "GLADE.PAK", "KYRAGEM.PAK", "NCLIFF.PAK",
"SICKWIL.PAK", "TEMPLE.PAK", "XMI.PAK", "BELROOM.PAK", "CAVEB.PAK", "EDGE.PAK", "FGOWEST.PAK",
"FSOUTHB.PAK", "GRAVE.PAK", "LAGOON.PAK", "NCLIFFB.PAK", "SND.PAK", "TRUNK.PAK", "ZROCK.PAK",
"BONKBG.PAK", "CGATE.PAK", "EDGEB.PAK", "FINALE.PAK", "FWSTSTH.PAK", "GRTHALL.PAK", "LANDING.PAK",
"NWCLIFB.PAK", "SONG.PAK", "UPSTAIR.PAK", "BRIDGE.PAK", "CHASM.PAK", "EMCAV.PAK", "FNORTH.PAK",
"GATECV.PAK", "HEALER.PAK", "LAVA.PAK", "NWCLIFF.PAK", "SORROW.PAK", "WELL.PAK", 0
};
const char** usedFilelist = 0;
if (_engine->game() == KYRA1)
usedFilelist = kyra1Filelist;
else if (_engine->game() == KYRA1CD)
usedFilelist = kyra1CDFilelist;
else
error("no filelist found for this game");
for (uint32 tmp = 0; usedFilelist[tmp]; ++tmp) {
// prefetch file
PAKFile* file = new PAKFile(usedFilelist[tmp]);
assert(file);
if (file->isOpen() && file->isValid())
_pakfiles.push_back(file);
else
debug("couldn't load file '%s' correctly", usedFilelist[tmp]);
}
}
Resourcemanager::~Resourcemanager() {
Common::List<PAKFile*>::iterator start = _pakfiles.begin();
for (;start != _pakfiles.end(); ++start) {
delete *start;
*start = 0;
}
}
uint8* Resourcemanager::fileData(const char* file, uint32* size) {
uint8* buffer = 0;
Common::File file_;
// test to open it in the main dir
if (file_.open(file)) {
*size = file_.size();
buffer = new uint8[*size];
assert(buffer);
file_.read(buffer, *size);
file_.close();
} else {
// opens the file in a PAK File
Common::List<PAKFile*>::iterator start = _pakfiles.begin();
for (;start != _pakfiles.end(); ++start) {
*size = (*start)->getFileSize(file);
if (!(*size))
continue;
buffer = new uint8[*size];
assert(buffer);
// creates a copy of the file
memcpy(buffer, (*start)->getFile(file), *size);
break;
}
}
if (!buffer || !(*size)) {
return 0;
}
return buffer;
}
Palette* Resourcemanager::loadPalette(const char* file) {
uint32 size = 0;
uint8* buffer = 0;
buffer = fileData(file, &size);
if (!buffer) {
warning("ResMgr: Failed loading palette %s", file);
return 0;
}
return new Palette(buffer, size);
}
CPSImage* Resourcemanager::loadImage(const char* file) {
uint32 size = 0;
uint8* buffer = 0;
buffer = fileData(file, &size);
if (!buffer)
return 0;
return new CPSImage(buffer, size);
}
Font* Resourcemanager::loadFont(const char* file) {
uint32 size = 0;
uint8* buffer = 0;
buffer = fileData(file, &size);
if (!buffer)
return 0;
return new Font(buffer, size);
}
Movie* Resourcemanager::loadMovie(const char* file) {
// TODO: we have to check the Extenion to create the right movie
uint32 size = 0;
uint8* buffer = 0;
buffer = fileData(file, &size);
if (!buffer || !size)
return 0;
if (_engine->game() == KYRA1 || _engine->game() == KYRA1CD)
return new WSAMovieV1(buffer, size, _engine->game());
else
return new WSAMovieV2(buffer, size);
}
VMContext* Resourcemanager::loadScript(const char* file) {
VMContext* context = new VMContext(_engine);
context->loadScript(file);
return context;
}
///////////////////////////////////////////
// Pak file manager
#define PAKFile_Iterate Common::List<PakChunk*>::iterator start=_files.begin();start != _files.end(); ++start
PAKFile::PAKFile(/*const Common::String &path, */const Common::String& file) {
Common::File pakfile;
_buffer = 0;
_open = false;
if (!pakfile.open(file.c_str())){ /*, Common::File::kFileReadMode, path.c_str())) {*/
printf("pakfile couldn't open %s\n", file.c_str());
return;
}
uint32 filesize = pakfile.size();
_buffer = new uint8[filesize];
assert(_buffer);
pakfile.read(_buffer, filesize);
pakfile.close();
// works with the file
uint32 pos = 0, startoffset = 0, endoffset = 0;
startoffset = READ_LE_UINT32(_buffer + pos);
pos += 4;
while (pos < filesize) {
PakChunk* chunk = new PakChunk;
assert(chunk);
// saves the name
chunk->_name = reinterpret_cast<const char*>(_buffer + pos);
pos += strlen(chunk->_name) + 1;
if (!(*chunk->_name))
break;
endoffset = READ_LE_UINT32(_buffer + pos);
pos += 4;
if (endoffset == 0) {
endoffset = filesize;
}
chunk->_data = _buffer + startoffset;
chunk->_size = endoffset - startoffset;
_files.push_back(chunk);
if (endoffset == filesize)
break;
startoffset = endoffset;
}
_open = true;
}
PAKFile::~PAKFile() {
delete [] _buffer;
_buffer = 0;
_open = false;
for (PAKFile_Iterate) {
delete *start;
*start = 0;
}
}
const uint8* PAKFile::getFile(const char* file) {
for (PAKFile_Iterate) {
if (!scumm_stricmp((*start)->_name, file))
return (*start)->_data;
}
return 0;
}
uint32 PAKFile::getFileSize(const char* file) {
for (PAKFile_Iterate) {
if (!scumm_stricmp((*start)->_name, file))
return (*start)->_size;
}
return 0;
}
} // end of namespace Kyra