mirror of
https://github.com/libretro/scummvm.git
synced 2024-12-22 09:49:11 +00:00
WINTERMUTE: Make ScScript less endian-specific.
This commit is contained in:
Einar Johan Trøan Sømåen
parent
88a3d91cbd
commit
71acc58f9c
@ -293,7 +293,7 @@ byte *CScEngine::GetCompiledScript(const char *Filename, uint32 *OutSize, bool I
|
||||
}
|
||||
|
||||
// needs to be compiled?
|
||||
if (*(uint32 *)Buffer == SCRIPT_MAGIC) {
|
||||
if (FROM_LE_32(*(uint32 *)Buffer) == SCRIPT_MAGIC) {
|
||||
CompBuffer = Buffer;
|
||||
CompSize = Size;
|
||||
} else {
|
||||
|
||||
@ -32,6 +32,7 @@
|
||||
#include "engines/wintermute/Base/BGame.h"
|
||||
#include "engines/wintermute/Base/scriptables/ScEngine.h"
|
||||
#include "engines/wintermute/Base/scriptables/ScStack.h"
|
||||
#include "common/memstream.h"
|
||||
|
||||
namespace WinterMute {
|
||||
|
||||
@ -41,6 +42,7 @@ IMPLEMENT_PERSISTENT(CScScript, false)
|
||||
CScScript::CScScript(CBGame *inGame, CScEngine *Engine): CBBase(inGame) {
|
||||
_buffer = NULL;
|
||||
_bufferSize = _iP = 0;
|
||||
_scriptStream = NULL;
|
||||
_filename = NULL;
|
||||
_currentLine = 0;
|
||||
|
||||
@ -104,15 +106,26 @@ CScScript::~CScScript() {
|
||||
|
||||
//////////////////////////////////////////////////////////////////////////
|
||||
HRESULT CScScript::InitScript() {
|
||||
TScriptHeader *Header = (TScriptHeader *)_buffer;
|
||||
if (Header->magic != SCRIPT_MAGIC) {
|
||||
if (!_scriptStream) {
|
||||
_scriptStream = new Common::MemoryReadStream(_buffer, _bufferSize);
|
||||
}
|
||||
_header.magic = _scriptStream->readUint32LE();
|
||||
_header.version = _scriptStream->readUint32LE();
|
||||
_header.code_start = _scriptStream->readUint32LE();
|
||||
_header.func_table = _scriptStream->readUint32LE();
|
||||
_header.symbol_table = _scriptStream->readUint32LE();
|
||||
_header.event_table = _scriptStream->readUint32LE();
|
||||
_header.externals_table = _scriptStream->readUint32LE();
|
||||
_header.method_table = _scriptStream->readUint32LE();
|
||||
|
||||
if (_header.magic != SCRIPT_MAGIC) {
|
||||
Game->LOG(0, "File '%s' is not a valid compiled script", _filename);
|
||||
cleanup();
|
||||
return E_FAIL;
|
||||
}
|
||||
|
||||
if (Header->version > SCRIPT_VERSION) {
|
||||
Game->LOG(0, "Script '%s' has a wrong version %d.%d (expected %d.%d)", _filename, Header->version / 256, Header->version % 256, SCRIPT_VERSION / 256, SCRIPT_VERSION % 256);
|
||||
if (_header.version > SCRIPT_VERSION) {
|
||||
Game->LOG(0, "Script '%s' has a wrong version %d.%d (expected %d.%d)", _filename, _header.version / 256, _header.version % 256, SCRIPT_VERSION / 256, SCRIPT_VERSION % 256);
|
||||
cleanup();
|
||||
return E_FAIL;
|
||||
}
|
||||
@ -130,7 +143,8 @@ HRESULT CScScript::InitScript() {
|
||||
|
||||
|
||||
// skip to the beginning
|
||||
_iP = Header->code_start;
|
||||
_iP = _header.code_start;
|
||||
_scriptStream->seek(_iP);
|
||||
_currentLine = 0;
|
||||
|
||||
// init breakpoints
|
||||
@ -148,49 +162,45 @@ HRESULT CScScript::InitScript() {
|
||||
HRESULT CScScript::InitTables() {
|
||||
uint32 OrigIP = _iP;
|
||||
|
||||
TScriptHeader *Header = (TScriptHeader *)_buffer;
|
||||
|
||||
int32 i;
|
||||
|
||||
// load symbol table
|
||||
_iP = Header->symbol_table;
|
||||
_iP = _header.symbol_table;
|
||||
|
||||
_numSymbols = GetDWORD();
|
||||
_symbols = new char*[_numSymbols];
|
||||
for (i = 0; i < _numSymbols; i++) {
|
||||
for (uint32 i = 0; i < _numSymbols; i++) {
|
||||
uint32 index = GetDWORD();
|
||||
_symbols[index] = GetString();
|
||||
}
|
||||
|
||||
// load functions table
|
||||
_iP = Header->func_table;
|
||||
_iP = _header.func_table;
|
||||
|
||||
_numFunctions = GetDWORD();
|
||||
_functions = new TFunctionPos[_numFunctions];
|
||||
for (i = 0; i < _numFunctions; i++) {
|
||||
for (uint32 i = 0; i < _numFunctions; i++) {
|
||||
_functions[i].pos = GetDWORD();
|
||||
_functions[i].name = GetString();
|
||||
}
|
||||
|
||||
|
||||
// load events table
|
||||
_iP = Header->event_table;
|
||||
_iP = _header.event_table;
|
||||
|
||||
_numEvents = GetDWORD();
|
||||
_events = new TEventPos[_numEvents];
|
||||
for (i = 0; i < _numEvents; i++) {
|
||||
for (uint32 i = 0; i < _numEvents; i++) {
|
||||
_events[i].pos = GetDWORD();
|
||||
_events[i].name = GetString();
|
||||
}
|
||||
|
||||
|
||||
// load externals
|
||||
if (Header->version >= 0x0101) {
|
||||
_iP = Header->externals_table;
|
||||
if (_header.version >= 0x0101) {
|
||||
_iP = _header.externals_table;
|
||||
|
||||
_numExternals = GetDWORD();
|
||||
_externals = new TExternalFunction[_numExternals];
|
||||
for (i = 0; i < _numExternals; i++) {
|
||||
for (uint32 i = 0; i < _numExternals; i++) {
|
||||
_externals[i].dll_name = GetString();
|
||||
_externals[i].name = GetString();
|
||||
_externals[i].call_type = (TCallType)GetDWORD();
|
||||
@ -206,11 +216,11 @@ HRESULT CScScript::InitTables() {
|
||||
}
|
||||
|
||||
// load method table
|
||||
_iP = Header->method_table;
|
||||
_iP = _header.method_table;
|
||||
|
||||
_numMethods = GetDWORD();
|
||||
_methods = new TMethodPos[_numMethods];
|
||||
for (i = 0; i < _numMethods; i++) {
|
||||
for (uint32 i = 0; i < _numMethods; i++) {
|
||||
_methods[i].pos = GetDWORD();
|
||||
_methods[i].name = GetString();
|
||||
}
|
||||
@ -283,6 +293,7 @@ HRESULT CScScript::CreateThread(CScScript *Original, uint32 InitIP, const char *
|
||||
|
||||
// skip to the beginning of the event
|
||||
_iP = InitIP;
|
||||
_scriptStream->seek(_iP);
|
||||
|
||||
_timeSlice = Original->_timeSlice;
|
||||
_freezable = Original->_freezable;
|
||||
@ -411,18 +422,29 @@ void CScScript::cleanup() {
|
||||
|
||||
//////////////////////////////////////////////////////////////////////////
|
||||
uint32 CScScript::GetDWORD() {
|
||||
uint32 ret = *(uint32 *)(_buffer + _iP);
|
||||
_scriptStream->seek(_iP);
|
||||
uint32 ret = _scriptStream->readUint32LE();
|
||||
_iP += sizeof(uint32);
|
||||
|
||||
// assert(oldRet == ret);
|
||||
return ret;
|
||||
}
|
||||
|
||||
|
||||
//////////////////////////////////////////////////////////////////////////
|
||||
double CScScript::GetFloat() {
|
||||
double ret = *(double *)(_buffer + _iP);
|
||||
_iP += sizeof(double);
|
||||
_scriptStream->seek((int32)_iP);
|
||||
byte buffer[8];
|
||||
_scriptStream->read(buffer, 8);
|
||||
|
||||
#ifdef SCUMM_BIG_ENDIAN
|
||||
// TODO: For lack of a READ_LE_UINT64
|
||||
SWAP(buffer[0], buffer[7]);
|
||||
SWAP(buffer[1], buffer[6]);
|
||||
SWAP(buffer[2], buffer[5]);
|
||||
SWAP(buffer[3], buffer[4]);
|
||||
#endif
|
||||
|
||||
double ret = *(double *)(buffer);
|
||||
_iP += 8; // Hardcode the double-size used originally.
|
||||
return ret;
|
||||
}
|
||||
|
||||
@ -432,6 +454,7 @@ char *CScScript::GetString() {
|
||||
char *ret = (char *)(_buffer + _iP);
|
||||
while (*(char *)(_buffer + _iP) != '\0') _iP++;
|
||||
_iP++; // string terminator
|
||||
_scriptStream->seek(_iP);
|
||||
|
||||
return ret;
|
||||
}
|
||||
@ -1172,6 +1195,7 @@ HRESULT CScScript::persist(CBPersistMgr *persistMgr) {
|
||||
if (_bufferSize > 0) {
|
||||
_buffer = new byte[_bufferSize];
|
||||
persistMgr->getBytes(_buffer, _bufferSize);
|
||||
_scriptStream = new Common::MemoryReadStream(_buffer, _bufferSize);
|
||||
InitTables();
|
||||
} else _buffer = NULL;
|
||||
}
|
||||
|
||||
@ -102,6 +102,7 @@ public:
|
||||
uint32 method_table;
|
||||
} TScriptHeader;
|
||||
|
||||
TScriptHeader _header;
|
||||
|
||||
typedef struct {
|
||||
char *name;
|
||||
@ -142,8 +143,11 @@ public:
|
||||
void cleanup();
|
||||
HRESULT Create(const char *Filename, byte *Buffer, uint32 Size, CBScriptHolder *Owner);
|
||||
uint32 _iP;
|
||||
private:
|
||||
uint32 _bufferSize;
|
||||
byte *_buffer;
|
||||
public:
|
||||
Common::SeekableReadStream *_scriptStream;
|
||||
CScScript(CBGame *inGame, CScEngine *Engine);
|
||||
virtual ~CScScript();
|
||||
char *_filename;
|
||||
@ -154,9 +158,9 @@ public:
|
||||
TEventPos *_events;
|
||||
int _numExternals;
|
||||
TExternalFunction *_externals;
|
||||
int _numFunctions;
|
||||
int _numMethods;
|
||||
int _numEvents;
|
||||
uint32 _numFunctions;
|
||||
uint32 _numMethods;
|
||||
uint32 _numEvents;
|
||||
bool _thread;
|
||||
bool _methodThread;
|
||||
char *_threadEvent;
|
||||
|
||||
Loading…
Reference in New Issue
Block a user