scummvm/engines/cine/prc.cpp
2021-09-02 21:41:14 +03:00

116 lines
3.0 KiB
C++

/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
*/
#include "common/endian.h"
#include "common/events.h"
#include "common/config-manager.h"
#include "common/system.h" // for g_system->getEventManager()
#include "cine/cine.h"
#include "cine/various.h"
namespace Cine {
//char currentPrcName[20];
/**
* @todo Is script size of 0 valid?
* @todo Fix script dump code
* @return Was the loading successful?
*/
bool loadPrc(const char *pPrcName) {
byte i;
uint16 numScripts;
byte *scriptPtr, *dataPtr;
assert(pPrcName);
g_cine->_globalScripts.clear();
g_cine->_scriptTable.clear();
// This is copy protection. Used to hang the machine
if (!scumm_stricmp(pPrcName, COPY_PROT_FAIL_PRC_NAME)) {
Common::Event event;
event.type = Common::EVENT_RETURN_TO_LAUNCHER;
g_system->getEventManager()->pushEvent(event);
return false;
}
checkDataDisk(-1);
if ((g_cine->getGameType() == Cine::GType_FW) &&
(!scumm_stricmp(pPrcName, BOOT_PRC_NAME) || !scumm_stricmp(pPrcName, "demo.prc"))) {
scriptPtr = dataPtr = readFile(pPrcName, (g_cine->getFeatures() & GF_CRYPTED_BOOT_PRC) != 0);
} else {
checkDataDisk(-1);
scriptPtr = dataPtr = readBundleFile(findFileInBundle(pPrcName));
}
assert(scriptPtr);
setMouseCursor(MOUSE_CURSOR_DISK);
numScripts = READ_BE_UINT16(scriptPtr);
scriptPtr += 2;
assert(numScripts <= NUM_MAX_SCRIPT);
for (i = 0; i < numScripts; i++) {
RawScriptPtr tmp(new RawScript(READ_BE_UINT16(scriptPtr)));
scriptPtr += 2;
assert(tmp);
g_cine->_scriptTable.push_back(tmp);
}
for (i = 0; i < numScripts; i++) {
uint16 size = g_cine->_scriptTable[i]->_size;
// TODO: delete the test?
if (size) {
g_cine->_scriptTable[i]->setData(*g_cine->_scriptInfo, scriptPtr);
scriptPtr += size;
}
}
free(dataPtr);
#ifdef DUMP_SCRIPTS
{
uint16 s;
char buffer[256];
for (s = 0; s < numScripts; s++) {
if (g_cine->_scriptTable[s]->_size) {
sprintf(buffer, "%s_%03d.txt", pPrcName, s);
decompileScript((const byte *)g_cine->_scriptTable[s]->getString(0), g_cine->_scriptTable[s]->_size, s);
dumpScript(buffer);
}
}
}
#endif
return true;
}
} // End of namespace Cine