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/* ScummVM - Kyrandia Interpreter
* Copyright (C) 2003-2004 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
static const char* kyraFilelist[] = {
"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", "startup.pak", "intro1.pak", 0
};
for (uint32 tmp = 0; kyraFilelist[tmp]; ++tmp) {
// prefetch file
PAKFile* file = new PAKFile(kyraFilelist[tmp]);
assert(file);
if (file->isOpen() && file->isValid())
_pakfiles.push_back(file);
else
warning("couldn't load file '%s' correctly", kyraFilelist[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;
debug("looking for file '%s'", file);
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)) {
warning("couldn't find file '%s'", file);
}
return buffer;
}
Palette* Resourcemanager::loadPalette(const char* file) {
uint32 size = 0;
uint8* buffer = 0;
buffer = fileData(file, &size);
if (!buffer)
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)
return 0;
return new WSAMovieV1(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& file) {
File pakfile;
_buffer = 0;
_open = false;
if (!pakfile.open(file.c_str())) {
warning("PAKFile couldn't open: '%s'", 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;
chunk->_data = _buffer + startoffset;
chunk->_size = endoffset - startoffset;
startoffset = endoffset;
_files.push_back(chunk);
}
_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
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