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/* 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 "illusions/illusions.h"
#include "illusions/scriptresource.h"
#include "illusions/scriptman.h"
namespace Illusions {
// ScriptResourceLoader
void ScriptResourceLoader::load(Resource *resource) {
debug(2, "ScriptResourceLoader::load() Loading script %08X from %s...", resource->_resId, resource->_filename.c_str());
ScriptResource *scriptResource = new ScriptResource();
scriptResource->load(resource->_data, resource->_dataSize);
_vm->_scriptMan->_scriptResource = scriptResource;
}
void ScriptResourceLoader::unload(Resource *resource) {
}
void ScriptResourceLoader::buildFilename(Resource *resource) {
resource->_filename = Common::String::format("%08X.scr", resource->_resId);
}
bool ScriptResourceLoader::isFlag(int flag) {
return
flag == kRlfLoadFile;
}
Properties::Properties()
: _count(0), _properties(0) {
}
void Properties::init(uint count, byte *properties) {
_count = count;
_properties = properties;
}
void Properties::clear() {
uint size = (_count >> 3) + 1;
for (uint i = 0; i < size; ++i)
_properties[i] = 0;
}
bool Properties::get(uint32 propertyId) {
uint index;
byte mask;
getProperyPos(propertyId, index, mask);
return (_properties[index] & mask) != 0;
}
void Properties::set(uint32 propertyId, bool value) {
uint index;
byte mask;
getProperyPos(propertyId, index, mask);
if (value)
_properties[index] |= mask;
else
_properties[index] &= ~mask;
}
void Properties::getProperyPos(uint32 propertyId, uint &index, byte &mask) {
propertyId &= 0xFFFF;
index = propertyId >> 3;
mask = 1 << (propertyId & 7);
}
// BlockCounters
BlockCounters::BlockCounters()
: _count(0), _blockCounters(0) {
}
void BlockCounters::init(uint count, byte *blockCounters) {
_count = count;
_blockCounters = blockCounters;
}
void BlockCounters::clear() {
for (uint i = 0; i < _count; ++i)
_blockCounters[i] = 0;
}
byte BlockCounters::get(uint index) {
return _blockCounters[index - 1] & 0x3F;
}
void BlockCounters::set(uint index, byte value) {
_blockCounters[index - 1] ^= (_blockCounters[index - 1] ^ value) & 0x3F;
}
// TriggerCause
void TriggerCause::load(Common::SeekableReadStream &stream) {
_verbId = stream.readUint32LE();
_objectId2 = stream.readUint32LE();
_codeOffs = stream.readUint32LE();
debug(2, "TriggerCause::load() _verbId: %08X; _objectId2: %08X; _codeOffs: %08X",
_verbId, _objectId2, _codeOffs);
}
// TriggerObject
TriggerObject::TriggerObject()
: _causesCount(0), _causes(0) {
}
TriggerObject::~TriggerObject() {
delete[] _causes;
}
void TriggerObject::load(byte *dataStart, Common::SeekableReadStream &stream) {
_objectId = stream.readUint32LE();
_causesCount = stream.readUint16LE();
stream.skip(2); // Skip padding
debug(2, "TriggerObject::load() _objectId: %08X; _causesCount: %d",
_objectId, _causesCount);
_causes = new TriggerCause[_causesCount];
for (uint i = 0; i < _causesCount; ++i)
_causes[i].load(stream);
}
// ProgInfo
ProgInfo::ProgInfo()
: _triggerObjectsCount(0), _triggerObjects(0) {
}
ProgInfo::~ProgInfo() {
delete[] _triggerObjects;
}
char *debugW2I(byte *wstr) {
static char buf[65];
char *p = buf;
while (*wstr != 0) {
*p++ = *wstr;
wstr += 2;
}
*p = 0;
return buf;
}
void ProgInfo::load(byte *dataStart, Common::SeekableReadStream &stream) {
_id = stream.readUint16LE();
_unk = stream.readUint16LE();
_name = dataStart + stream.pos();
stream.skip(128);
_triggerObjectsCount = stream.readUint16LE();
stream.skip(2); // Skip padding
debug(2, "\nProgInfo::load() _id: %d; _unk: %d; _name: [%s]",
_id, _unk, debugW2I(_name));
uint32 triggerObjectsListOffs = stream.readUint32LE();
if (_triggerObjectsCount > 0) {
_triggerObjects = new TriggerObject[_triggerObjectsCount];
for (uint i = 0; i < _triggerObjectsCount; ++i) {
stream.seek(triggerObjectsListOffs + i * 4);
uint32 triggerObjectOffs = stream.readUint32LE();
stream.seek(triggerObjectOffs);
_triggerObjects[i].load(dataStart, stream);
}
}
}
// ScriptResource
ScriptResource::ScriptResource()
: _codeOffsets(0) {
}
ScriptResource::~ScriptResource() {
delete[] _codeOffsets;
}
void ScriptResource::load(byte *data, uint32 dataSize) {
Common::MemoryReadStream stream(data, dataSize, DisposeAfterUse::NO);
_data = data;
_dataSize = dataSize;
stream.skip(4); // Skip unused
uint propertiesCount = stream.readUint16LE();
uint blockCountersCount = stream.readUint16LE();
_codeCount = stream.readUint16LE();
_progInfosCount = stream.readUint16LE();
uint32 propertiesOffs = stream.readUint32LE();
uint32 blockCountersOffs = stream.readUint32LE();
uint32 codeTblOffs = stream.readUint32LE();
// Init properties
_properties.init(propertiesCount, data + propertiesOffs);
// Init blockcounters
_blockCounters.init(blockCountersCount, data + blockCountersOffs);
_codeOffsets = new uint32[_codeCount];
stream.seek(codeTblOffs);
for (uint i = 0; i < _codeCount; ++i)
_codeOffsets[i] = stream.readUint32LE();
_progInfos = new ProgInfo[_progInfosCount];
for (uint i = 0; i < _progInfosCount; ++i) {
stream.seek(0x18 + i * 4);
uint32 progInfoOffs = stream.readUint32LE();
stream.seek(progInfoOffs);
_progInfos[i].load(data, stream);
}
debug(2, "ScriptResource::load() propertiesCount: %d; blockCountersCount: %d; _codeCount: %d; _progInfosCount: %d",
propertiesCount, blockCountersCount, _codeCount, _progInfosCount);
debug(2, "ScriptResource::load() propertiesOffs: %08X; blockCountersOffs: %08X; codeTblOffs: %08X",
propertiesOffs, blockCountersOffs, codeTblOffs);
}
byte *ScriptResource::getThreadCode(uint32 threadId) {
return _data + _codeOffsets[(threadId & 0xFFFF) - 1];
}
ProgInfo *ScriptResource::getProgInfo(uint32 index) {
if (index > 0 && index <= _progInfosCount)
return &_progInfos[index - 1];
return 0;
}
} // End of namespace Illusions
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