PrimeWorldEditor/Resource/factory/CScriptLoader.cpp

488 lines
15 KiB
C++

#include "CScriptLoader.h"
#include "../script/CMasterTemplate.h"
#include <Core/CResCache.h>
#include <Core/Log.h>
#include <iostream>
#include <sstream>
CScriptLoader::CScriptLoader()
{
mpObj = nullptr;
}
CPropertyStruct* CScriptLoader::LoadStructMP1(CInputStream& SCLY, CStructTemplate *pTemp)
{
u32 structStart = SCLY.Tell();
CPropertyStruct *propStruct = new CPropertyStruct();
propStruct->mpTemplate = pTemp;
// Verify property count
u32 propCount = pTemp->Count();
if (!pTemp->IsSingleProperty())
{
u32 filePropCount = SCLY.ReadLong();
if (propCount != filePropCount)
Log::FileWarning(SCLY.GetSourceString(), structStart, "Struct \"" + pTemp->Name() + "\" template prop count doesn't match file");
}
// Parse properties
propStruct->Reserve(propCount);
for (u32 iProp = 0; iProp < propCount; iProp++)
{
CPropertyBase *pProp = nullptr;
CPropertyTemplate *pPropTmp = pTemp->PropertyByIndex(iProp);
EPropertyType type = pPropTmp->Type();
switch (type)
{
case eBoolProperty: {
bool v = (SCLY.ReadByte() == 1);
pProp = new CBoolProperty(v);
break;
}
case eByteProperty: {
char v = SCLY.ReadByte();
pProp = new CByteProperty(v);
break;
}
case eShortProperty: {
short v = SCLY.ReadShort();
pProp = new CShortProperty(v);
break;
}
case eLongProperty: {
long v = SCLY.ReadLong();
pProp = new CLongProperty(v);
break;
}
case eEnumProperty: {
CEnumTemplate *pTemp = static_cast<CEnumTemplate*>(pPropTmp);
long ID = SCLY.ReadLong();
long index = pTemp->EnumeratorIndex(ID);
pProp = new CEnumProperty(index);
break;
}
case eFloatProperty: {
float v = SCLY.ReadFloat();
pProp = new CFloatProperty(v);
break;
}
case eStringProperty: {
std::string v = SCLY.ReadString();
pProp = new CStringProperty(v);
break;
}
case eVector3Property: {
CVector3f v(SCLY);
pProp = new CVector3Property(v);
break;
}
case eColorProperty: {
CVector4f color(SCLY);
CColor v(color.x, color.y, color.z, color.w);
pProp = new CColorProperty(v);
break;
}
case eFileProperty: {
u32 ResID = SCLY.ReadLong();
const CStringList& Extensions = static_cast<CFileTemplate*>(pPropTmp)->Extensions();
CResource *pRes = nullptr;
for (auto it = Extensions.begin(); it != Extensions.end(); it++)
{
const std::string& ext = *it;
if ((ext != "MREA") && (ext != "MLVL")) // Let's avoid recursion please
pRes = gResCache.GetResource(ResID, ext);
if (pRes) break;
}
pProp = new CFileProperty(pRes);
break;
}
case eStructProperty: {
CStructTemplate *StructTmp = pTemp->StructByIndex(iProp);
pProp = LoadStructMP1(SCLY, StructTmp);
break;
}
case eAnimParamsProperty: {
pProp = new CAnimParamsProperty(CAnimationParameters(SCLY, mVersion));
break;
}
default:
pProp = new CUnknownProperty();
break;
}
if (pProp)
{
pProp->mpTemplate = pPropTmp;
propStruct->mProperties.push_back(pProp);
}
}
return propStruct;
}
CScriptObject* CScriptLoader::LoadObjectMP1(CInputStream& SCLY)
{
u32 objStart = SCLY.Tell();
u8 type = SCLY.ReadByte();
u32 size = SCLY.ReadLong();
u32 end = SCLY.Tell() + size;
CScriptTemplate *pTemp = mpMaster->TemplateByID((u32) type);
if (!pTemp)
{
// No valid template for this object; can't load
Log::FileError(SCLY.GetSourceString(), objStart, "Invalid object ID encountered: " + StringUtil::ToHexString(type));
SCLY.Seek(end, SEEK_SET);
return nullptr;
}
mpObj = new CScriptObject(mpArea, mpLayer, pTemp);
mpObj->mInstanceID = SCLY.ReadLong();
// Load connections
u32 numLinks = SCLY.ReadLong();
mpObj->mOutConnections.reserve(numLinks);
for (u32 iLink = 0; iLink < numLinks; iLink++)
{
SLink link;
link.State = SCLY.ReadLong();
link.Message = SCLY.ReadLong();
link.ObjectID = SCLY.ReadLong();
mpObj->mOutConnections.push_back(link);
}
// Load object...
u32 count = SCLY.PeekLong();
CStructTemplate *pBase = pTemp->BaseStructByCount(count);
if (!pBase) {
Log::Error(pTemp->TemplateName() + " template doesn't match file property count (" + StringUtil::ToString(count) + ")");
pBase = pTemp->BaseStructByIndex(0);
}
mpObj->mpProperties = LoadStructMP1(SCLY, pBase);
// Cleanup and return
SCLY.Seek(end, SEEK_SET);
mpObj->EvaluateProperties();
return mpObj;
}
CScriptLayer* CScriptLoader::LoadLayerMP1(CInputStream &SCLY)
{
u32 LayerStart = SCLY.Tell();
SCLY.Seek(0x1, SEEK_CUR); // One unknown byte at the start of each layer
u32 NumObjects = SCLY.ReadLong();
mpLayer = new CScriptLayer();
mpLayer->Reserve(NumObjects);
for (u32 iObj = 0; iObj < NumObjects; iObj++)
{
CScriptObject *pObj = LoadObjectMP1(SCLY);
if (pObj)
mpLayer->AddObject(pObj);
}
// Layer sizes are always a multiple of 32 - skip end padding before returning
u32 remaining = 32 - ((SCLY.Tell() - LayerStart) & 0x1F);
SCLY.Seek(remaining, SEEK_CUR);
return mpLayer;
}
void CScriptLoader::LoadStructMP2(CInputStream& SCLY, CPropertyStruct *pStruct, CStructTemplate *pTemp)
{
// Verify property count
u32 propCount = pTemp->Count();
if (!pTemp->IsSingleProperty())
{
u16 numProperties = SCLY.ReadShort();
if ((numProperties != propCount) && (mVersion < eReturns))
Log::FileWarning(SCLY.GetSourceString(), SCLY.Tell() - 2, "Struct \"" + pTemp->Name() + "\" template property count doesn't match file");
propCount = numProperties;
}
// Parse properties
pStruct->Reserve(propCount);
for (u32 iProp = 0; iProp < propCount; iProp++)
{
CPropertyBase *pProp;
CPropertyTemplate *pPropTemp;
u32 propertyStart = SCLY.Tell();
u32 propertyID = -1;
u16 PropertyLength = 0;
u32 NextProperty = 0;
if (pTemp->IsSingleProperty())
{
pProp = pStruct->PropertyByIndex(iProp);
pPropTemp = pTemp->PropertyByIndex(iProp);
}
else
{
propertyID = SCLY.ReadLong();
PropertyLength = SCLY.ReadShort();
NextProperty = SCLY.Tell() + PropertyLength;
pProp = pStruct->PropertyByID(propertyID);
pPropTemp = pTemp->PropertyByID(propertyID);
}
if (!pPropTemp)
Log::FileError(SCLY.GetSourceString(), propertyStart, "Can't find template for property " + StringUtil::ToHexString(propertyID) + " - skipping");
else
{
switch (pPropTemp->Type())
{
case eBoolProperty: {
CBoolProperty *pBoolCast = static_cast<CBoolProperty*>(pProp);
pBoolCast->Set( (SCLY.ReadByte() != 0) );
break;
}
case eByteProperty: {
CByteProperty *pByteCast = static_cast<CByteProperty*>(pProp);
pByteCast->Set(SCLY.ReadByte());
break;
}
case eShortProperty: {
CShortProperty *pShortCast = static_cast<CShortProperty*>(pProp);
pShortCast->Set(SCLY.ReadShort());
break;
}
case eLongProperty: {
CLongProperty *pLongCast = static_cast<CLongProperty*>(pProp);
pLongCast->Set(SCLY.ReadLong());
break;
}
case eEnumProperty: {
CEnumProperty *pEnumCast = static_cast<CEnumProperty*>(pProp);
CEnumTemplate *pTemp = static_cast<CEnumTemplate*>(pPropTemp);
long ID = SCLY.ReadLong();
long index = pTemp->EnumeratorIndex(ID);
pEnumCast->Set(index);
break;
}
case eFloatProperty: {
CFloatProperty *pFloatCast = static_cast<CFloatProperty*>(pProp);
pFloatCast->Set(SCLY.ReadFloat());
break;
}
case eStringProperty: {
CStringProperty *pStringCast = static_cast<CStringProperty*>(pProp);
pStringCast->Set(SCLY.ReadString());
break;
}
case eVector3Property: {
CVector3Property *pVector3Cast = static_cast<CVector3Property*>(pProp);
pVector3Cast->Set(CVector3f(SCLY));
break;
}
case eColorProperty: {
CColorProperty *pColorCast = static_cast<CColorProperty*>(pProp);
CVector4f Color(SCLY);
pColorCast->Set(CColor(Color.x, Color.y, Color.z, Color.w));
break;
}
case eFileProperty: {
CFileProperty *pFileCast = static_cast<CFileProperty*>(pProp);
CUniqueID ResID = (mVersion < eCorruptionProto ? SCLY.ReadLong() : SCLY.ReadLongLong());
const CStringList& Extensions = static_cast<CFileTemplate*>(pPropTemp)->Extensions();
CResource *pRes = nullptr;
// Check for each extension individually until we find a match
// This could be done better with a function to fetch the extension given the resource ID
// and a "does resource exist" function, but this will do for now
bool hasIgnoredExt = false;
if (ResID.IsValid())
{
for (auto it = Extensions.begin(); it != Extensions.end(); it++)
{
const std::string& ext = *it;
if ((ext != "MREA") && (ext != "MLVL")) {
pRes = gResCache.GetResource(ResID, ext);
if (pRes) break;
}
else
hasIgnoredExt = true;
}
}
// Property may have an incorrect extension listed - print error
if ((!pRes) && (CUniqueID(ResID).IsValid()) && (!hasIgnoredExt))
{
std::string ExtList;
for (auto it = Extensions.begin(); it != Extensions.end(); it++)
{
if (it != Extensions.begin()) ExtList += "/";
ExtList += *it;
}
Log::FileWarning(SCLY.GetSourceString(), "Incorrect resource type? " + ExtList + " " + StringUtil::ToHexString(propertyID));
}
pFileCast->Set(pRes);
break;
}
case eUnknownProperty: {
CUnknownProperty *pUnknownCast = static_cast<CUnknownProperty*>(pProp);
std::vector<u8> buf(PropertyLength);
SCLY.ReadBytes(buf.data(), buf.size());
pUnknownCast->Set(buf);
break;
}
case eStructProperty: {
CPropertyStruct *pStructCast = static_cast<CPropertyStruct*>(pProp);
LoadStructMP2(SCLY, pStructCast, static_cast<CStructTemplate*>(pPropTemp));
break;
}
case eArrayProperty: {
CArrayProperty *pArrayCast = static_cast<CArrayProperty*>(pProp);
std::vector<u8> buf(PropertyLength);
SCLY.ReadBytes(buf.data(), buf.size());
pArrayCast->Set(buf);
break;
}
case eAnimParamsProperty: {
CAnimParamsProperty *pAnimCast = static_cast<CAnimParamsProperty*>(pProp);
pAnimCast->Set(CAnimationParameters(SCLY, mVersion));
break;
}
}
}
if (NextProperty > 0)
SCLY.Seek(NextProperty, SEEK_SET);
}
}
CScriptObject* CScriptLoader::LoadObjectMP2(CInputStream& SCLY)
{
u32 ObjStart = SCLY.Tell();
u32 ObjectID = SCLY.ReadLong();
u16 ObjectSize = SCLY.ReadShort();
u32 ObjEnd = SCLY.Tell() + ObjectSize;
CScriptTemplate *pTemplate = mpMaster->TemplateByID(ObjectID);
if (!pTemplate)
{
Log::FileError(SCLY.GetSourceString(), ObjStart, "Invalid object ID encountered: " + CFourCC(ObjectID).ToString());
SCLY.Seek(ObjEnd, SEEK_SET);
return nullptr;
}
mpObj = new CScriptObject(mpArea, mpLayer, pTemplate);
mpObj->mpTemplate = pTemplate;
mpObj->mInstanceID = SCLY.ReadLong();
// Load connections
u32 NumConnections = SCLY.ReadShort();
mpObj->mOutConnections.reserve(NumConnections);
for (u32 iCon = 0; iCon < NumConnections; iCon++)
{
SLink con;
con.State = SCLY.ReadLong();
con.Message = SCLY.ReadLong();
con.ObjectID = SCLY.ReadLong();
mpObj->mOutConnections.push_back(con);
}
// Load object
SCLY.Seek(0x6, SEEK_CUR); // Skip base struct ID + size
u16 numProps = SCLY.PeekShort();
mpObj->CopyFromTemplate(pTemplate, (u32) numProps);
CStructTemplate *pBase = pTemplate->BaseStructByCount(numProps);
LoadStructMP2(SCLY, mpObj->mpProperties, pBase);
// Cleanup and return
SCLY.Seek(ObjEnd, SEEK_SET);
mpObj->EvaluateProperties();
return mpObj;
}
CScriptLayer* CScriptLoader::LoadLayerMP2(CInputStream& SCLY)
{
CFourCC SCLY_Magic(SCLY);
if (SCLY_Magic == "SCLY") SCLY.Seek(0x6, SEEK_CUR);
else if (SCLY_Magic == "SCGN") SCLY.Seek(0x2, SEEK_CUR);
else
{
Log::FileError(SCLY.GetSourceString(), SCLY.Tell() - 4, "Invalid script layer magic: " + StringUtil::ToHexString((u32) SCLY_Magic.ToLong()));
return nullptr;
}
u32 NumObjects = SCLY.ReadLong();
mpLayer = new CScriptLayer();
mpLayer->Reserve(NumObjects);
for (u32 iObj = 0; iObj < NumObjects; iObj++)
{
CScriptObject *pObj = LoadObjectMP2(SCLY);
if (pObj)
mpLayer->AddObject(pObj);
}
if (SCLY_Magic == "SCGN")
{
mpLayer->SetName("Generated");
mpLayer->SetActive(true);
}
return mpLayer;
}
CScriptLayer* CScriptLoader::LoadLayer(CInputStream &SCLY, CGameArea *pArea, EGame version)
{
if (!SCLY.IsValid()) return nullptr;
CScriptLoader Loader;
Loader.mVersion = version;
Loader.mpMaster = CMasterTemplate::GetMasterForGame(version);
Loader.mpArea = pArea;
if (!Loader.mpMaster)
{
Log::Write("This game doesn't have a master template; couldn't load script layer");
return nullptr;
}
if (version <= ePrime)
return Loader.LoadLayerMP1(SCLY);
else
return Loader.LoadLayerMP2(SCLY);
}