ALERROR CUniverse::LoadModule (SDesignLoadCtx &Ctx, CXMLElement *pModule)
// LoadModule
//
// Loads the module
{
ALERROR error;
int i;
// Load all the design elements
for (i = 0; i < pModule->GetContentElementCount(); i++)
{
CXMLElement *pElement = pModule->GetContentElement(i);
if (error = LoadDesignElement(Ctx, pElement))
return error;
}
return NOERROR;
}
ALERROR CExtension::LoadModuleContent (SDesignLoadCtx &Ctx, CXMLElement *pDesc)
// LoadModulesContent
//
// Loads <Module> content
{
ALERROR error;
int i;
// Load all the design elements
for (i = 0; i < pDesc->GetContentElementCount(); i++)
{
CXMLElement *pItem = pDesc->GetContentElement(i);
if (error = LoadDesignElement(Ctx, pItem))
return error;
}
return NOERROR;
}
ALERROR CUniverse::InitFromXML (SDesignLoadCtx &Ctx,
CXMLElement *pElement,
CResourceDb &Resources)
// InitFromXML
//
// Initializes the universe from an XML database
{
ALERROR error;
int i;
CIDTable UNIDMap(FALSE, FALSE);
m_bNoImages = Ctx.bNoResources;
// Initialize code chain
if (error = m_CC.Boot())
return error;
if (error = InitCodeChainPrimitives())
return error;
// Create some fonts
m_MapLabelFont.Create(MAP_LABEL_TYPEFACE, 12);
m_SignFont.Create(SIGN_TYPEFACE, 11, true);
// Make sure we have the right version
if (!Ctx.bNoVersionCheck)
{
DWORD dwVersion;
// Make sure we have the latest version of the .XML
dwVersion = (DWORD)pElement->GetAttributeInteger(VERSION_ATTRIB);
if (fileGetProductVersion() > dwVersion)
{
if (Resources.IsUsingExternalGameFile())
Ctx.sError = CONSTLIT("External definitions file (Transcendence.xml) is obsolete.\nPlease remove 'Transcendence.xml' file from game folder.");
else
Ctx.sError = CONSTLIT("Source definitions file (Transcendence.xml) is obsolete.\nPlease download the latest version at http://www.neurohack.com/transcendence/Downloads.html.");
return ERR_FAIL;
}
// Make sure we have the latest version of the .EXE
dwVersion = (DWORD)pElement->GetAttributeInteger(MIN_VERSION_ATTRIB);
if (fileGetProductVersion() < dwVersion)
{
Ctx.sError = CONSTLIT("Source definitions file (Transcendence.xml) requires a newer version of Transcendence.exe.\nPlease download the latest version at http://www.neurohack.com/transcendence/Downloads.html.");
return ERR_FAIL;
}
}
// Load the Main XML file
for (i = 0; i < pElement->GetContentElementCount(); i++)
{
CXMLElement *pDesc = pElement->GetContentElement(i);
if (strEquals(pDesc->GetTag(), IMAGES_TAG))
error = InitImages(Ctx, pDesc, Resources);
else if (strEquals(pDesc->GetTag(), SOUNDS_TAG))
error = InitSounds(Ctx, pDesc, Resources);
else if (strEquals(pDesc->GetTag(), STATION_TYPE_RESOURCES_TAG))
error = InitStationTypeResources(Ctx, pDesc);
else if (strEquals(pDesc->GetTag(), STAR_SYSTEM_TYPES_TAG))
error = InitStarSystemTypes(Ctx, pDesc);
else if (strEquals(pDesc->GetTag(), MODULES_TAG))
error = LoadModules(Ctx, pDesc);
else
error = LoadDesignElement(Ctx, pDesc);
// Check for error
if (error)
return error;
}
return NOERROR;
}
ALERROR CExtension::Load (ELoadStates iDesiredState, IXMLParserController *pResolver, bool bNoResources, bool bKeepXML, CString *retsError)
// Load
//
// Makes sure that the extension is fully loaded.
{
ALERROR error;
int i;
switch (m_iLoadState)
{
case loadNone:
{
*retsError = CONSTLIT("Unable to load.");
return ERR_FAIL;
}
case loadEntities:
case loadAdventureDesc:
{
if (iDesiredState == loadNone || iDesiredState == loadEntities)
return NOERROR;
else if (iDesiredState == loadAdventureDesc && m_iLoadState == loadAdventureDesc)
return NOERROR;
// Open the file
CResourceDb ExtDb(m_sFilespec, true);
if (error = ExtDb.Open(DFOPEN_FLAG_READ_ONLY, retsError))
return ERR_FAIL;
// Setup
SDesignLoadCtx Ctx;
Ctx.sResDb = m_sFilespec;
Ctx.pResDb = &ExtDb;
Ctx.bNoVersionCheck = true; // Obsolete now
Ctx.bNoResources = bNoResources;
Ctx.bKeepXML = bKeepXML;
Ctx.bLoadAdventureDesc = (iDesiredState == loadAdventureDesc && m_iType == extAdventure);
Ctx.sErrorFilespec = m_sFilespec;
// If this is a registered extension then compute a digest for the
// file (so that we can compare against the cloud's digest).
//
// We need to do this even if we fail later because we don't want to
// have to recalc it later.
if (m_Digest.IsEmpty() && GetFolderType() == folderCollection && IsRegistered())
{
if (error = fileCreateDigest(m_sFilespec, &m_Digest))
{
*retsError = strPatternSubst(CONSTLIT("Unable to compute digest for: %s."), m_sFilespec);
return error;
}
}
// If we've already loaded a root element, then we need to clean up
if (m_pRootXML)
CleanUpXML();
// Parse the XML file into a structure
if (error = ExtDb.LoadGameFile(&m_pRootXML, pResolver, retsError))
{
// If we're in debug mode then this is a real error.
if (g_pUniverse->InDebugMode()
&& !ExtDb.IsTDB())
{
if (retsError) *retsError = strPatternSubst(CONSTLIT("Error parsing %s: %s"), m_sFilespec, *retsError);
return ERR_FAIL;
}
// Otherwise, we try to continue as if nothing bad had happened, but we
// disable the extension.
else
{
SetDisabled((retsError ? *retsError : CONSTLIT("Unable to load")));
return NOERROR;
}
}
// Set up context
Ctx.pExtension = this;
// Load all the design elements
for (i = 0; i < m_pRootXML->GetContentElementCount(); i++)
{
CXMLElement *pItem = m_pRootXML->GetContentElement(i);
if (error = LoadDesignElement(Ctx, pItem))
{
if (!bKeepXML)
{
delete m_pRootXML;
m_pRootXML = NULL;
}
if (g_pUniverse->InDebugMode()
&& !ExtDb.IsTDB())
return ComposeLoadError(Ctx, retsError);
SetDisabled(Ctx.sError);
return NOERROR;
}
}
// Restore
Ctx.pExtension = NULL;
// Done
m_iLoadState = (m_iType == extAdventure ? iDesiredState : loadComplete);
if (!bKeepXML)
{
delete m_pRootXML;
m_pRootXML = NULL;
}
// If we get this far and we have no libraries, then include the
// compatibility library.
if (m_iLoadState == loadComplete)
AddDefaultLibraryReferences(Ctx);
// Debug output
switch (m_iType)
{
case extAdventure:
if (m_iLoadState == loadAdventureDesc)
kernelDebugLogMessage("Loaded adventure desc: %s", m_sFilespec);
else
kernelDebugLogMessage("Loaded adventure: %s", m_sFilespec);
break;
case extExtension:
kernelDebugLogMessage("Loaded extension: %s", m_sFilespec);
break;
case extLibrary:
kernelDebugLogMessage("Loaded library: %s", m_sFilespec);
break;
}
return NOERROR;
}
case loadComplete:
return NOERROR;
default:
ASSERT(false);
return ERR_FAIL;
}
}
