PrimeWorldEditor/src/Core/Resource/Script/NPropertyMap.cpp

603 lines
17 KiB
C++

#include "NPropertyMap.h"
#include "NGameList.h"
#include <Common/NBasics.h>
#include <Common/Serialization/XML.h>
/** NPropertyMap: Namespace for property ID -> name mappings */
namespace NPropertyMap
{
/** Path to the property map file */
const char* gpkLegacyMapPath = "../templates/PropertyMapLegacy.xml";
const char* gpkMapPath = "../templates/PropertyMap.xml";
/** Whether to do name lookups from the legacy map */
const bool gkUseLegacyMapForNameLookups = false;
/** Whether to update names in the legacy map */
const bool gkUseLegacyMapForUpdates = false;
/** Whether the map is dirty (has unsaved changes */
bool gMapIsDirty = false;
/** Whether the map has been loaded */
bool gMapIsLoaded = false;
/** Mapping of typename hashes back to the original string */
std::unordered_map<uint32, TString> gHashToTypeName;
/** Register a hash -> name mapping */
inline void RegisterTypeName(uint32 TypeHash, TString TypeName)
{
ASSERT( !TypeName.IsEmpty() );
ASSERT( TypeName != "Unknown" );
gHashToTypeName.emplace( std::make_pair<uint32, TString>(std::move(TypeHash), std::move(TypeName)) );
}
/** Key structure for name map lookups */
struct SNameKey
{
union
{
struct {
uint32 TypeHash;
uint32 ID;
};
struct {
uint64 Key;
};
};
SNameKey()
: TypeHash(-1), ID(-1)
{}
SNameKey(uint32 InTypeHash, uint32 InID)
: TypeHash(InTypeHash), ID(InID)
{}
void Serialize(IArchive& Arc)
{
TString TypeName;
if (Arc.IsWriter())
{
TypeName = gHashToTypeName[TypeHash];
ASSERT(!TypeName.IsEmpty());
}
Arc << SerialParameter("ID", ID, SH_Attribute | SH_HexDisplay)
<< SerialParameter("Type", TypeName, SH_Attribute);
if (Arc.IsReader())
{
TypeHash = TypeName.Hash32();
RegisterTypeName(TypeHash, TypeName);
}
}
friend bool operator==(const SNameKey& kLHS, const SNameKey& kRHS)
{
return kLHS.Key == kRHS.Key;
}
friend bool operator<(const SNameKey& kLHS, const SNameKey& kRHS)
{
return kLHS.Key < kRHS.Key;
}
};
/** Hasher for name keys for use in std::unordered_map */
struct KeyHash
{
inline size_t operator()(const SNameKey& kKey) const
{
return std::hash<uint64>()(kKey.Key);
}
};
/** Value structure for name map lookups */
struct SNameValue
{
/** Name of the property */
TString Name;
/** Whether this name is valid */
bool IsValid;
/** List of all properties using this ID */
/** @todo - make this an intrusively linked list */
std::set<IProperty*> PropertyList;
void Serialize(IArchive& Arc)
{
Arc << SerialParameter("Name", Name, SH_Attribute);
}
friend bool operator==(const SNameValue& kLHS, const SNameValue& kRHS)
{
return kLHS.Name == kRHS.Name;
}
};
/** Mapping of property IDs to names. In the key, the upper 32 bits
* are the type, and the lower 32 bits are the ID.
*/
std::map<SNameKey, SNameValue> gNameMap;
/** Legacy map that only includes the ID in the key */
std::map<uint32, TString> gLegacyNameMap;
/** Internal: Creates a name key for the given property. */
SNameKey CreateKey(IProperty* pProperty)
{
SNameKey Key;
Key.ID = pProperty->ID();
Key.TypeHash = CCRC32::StaticHashString( pProperty->HashableTypeName() );
return Key;
}
SNameKey CreateKey(uint32 ID, const char* pkTypeName)
{
return SNameKey( CCRC32::StaticHashString(pkTypeName), ID );
}
/** Loads property names into memory */
void LoadMap()
{
ASSERT( !gMapIsLoaded );
debugf("Loading property map");
if ( gkUseLegacyMapForNameLookups )
{
CXMLReader Reader(gpkLegacyMapPath);
ASSERT(Reader.IsValid());
Reader << SerialParameter("PropertyMap", gLegacyNameMap, SH_HexDisplay);
}
else
{
CXMLReader Reader(gpkMapPath);
ASSERT(Reader.IsValid());
Reader << SerialParameter("PropertyMap", gNameMap, SH_HexDisplay);
// Iterate over the map and set up the valid flags
for (auto Iter = gNameMap.begin(); Iter != gNameMap.end(); Iter++)
{
const SNameKey& kKey = Iter->first;
SNameValue& Value = Iter->second;
Value.IsValid = (CalculatePropertyID(*Value.Name, *gHashToTypeName[kKey.TypeHash]) == kKey.ID);
}
}
gMapIsLoaded = true;
}
inline void ConditionalLoadMap()
{
if( !gMapIsLoaded )
{
LoadMap();
}
}
/** Saves property names back out to the template file */
void SaveMap(bool Force /*= false*/)
{
if( !gMapIsLoaded )
{
if (Force)
{
LoadMap();
}
else return;
}
debugf("Saving property map");
if( gMapIsDirty || Force )
{
if( gkUseLegacyMapForUpdates )
{
CXMLWriter Writer(gpkLegacyMapPath, "PropertyMap");
ASSERT(Writer.IsValid());
Writer << SerialParameter("PropertyMap", gLegacyNameMap, SH_HexDisplay);
}
else
{
// Make sure all game templates are loaded and clear out ID-type pairs that aren't used
// This mostly occurs when type names are changed - unneeded pairings with the old type can be left in the map
NGameList::LoadAllGameTemplates();
for (auto Iter = gNameMap.begin(); Iter != gNameMap.end(); Iter++)
{
SNameValue& Value = Iter->second;
if (Value.PropertyList.empty())
{
Iter = gNameMap.erase(Iter);
}
}
// Perform the actual save
CXMLWriter Writer(gpkMapPath, "PropertyMap");
ASSERT(Writer.IsValid());
Writer << SerialParameter("PropertyMap", gNameMap, SH_HexDisplay);
}
gMapIsDirty = false;
}
}
/** Given a property ID and type, returns the name of the property */
const char* GetPropertyName(IProperty* pInProperty)
{
ConditionalLoadMap();
if (gkUseLegacyMapForNameLookups)
{
auto MapFind = gLegacyNameMap.find( pInProperty->ID() );
return (MapFind == gLegacyNameMap.end() ? "Unknown" : *MapFind->second);
}
else
{
SNameKey Key = CreateKey(pInProperty);
auto MapFind = gNameMap.find(Key);
return (MapFind == gNameMap.end() ? "Unknown" : *MapFind->second.Name);
}
}
/** Given a property name and type, returns the name of the property.
* This requires you to provide the exact type string used in the hash.
*/
const char* GetPropertyName(uint32 ID, const char* pkTypeName)
{
// Does not support legacy map
ConditionalLoadMap();
SNameKey Key = CreateKey(ID, pkTypeName);
auto MapFind = gNameMap.find(Key);
return MapFind == gNameMap.end() ? "Unknown" : *MapFind->second.Name;
}
/** Calculate the property ID of a given name/type. */
uint32 CalculatePropertyID(const char* pkName, const char* pkTypeName)
{
CCRC32 CRC;
CRC.Hash(pkName);
CRC.Hash(pkTypeName);
return CRC.Digest();
}
/** Returns whether the specified ID is in the map. */
bool IsValidPropertyID(uint32 ID, const char* pkTypeName, bool* pOutIsValid /*= nullptr*/)
{
SNameKey Key = CreateKey(ID, pkTypeName);
auto MapFind = gNameMap.find(Key);
if (MapFind != gNameMap.end())
{
if (pOutIsValid != nullptr)
{
SNameValue& Value = MapFind->second;
*pOutIsValid = Value.IsValid;
}
return true;
}
else return false;
}
/** Retrieves a list of all properties that match the requested property ID. */
void RetrievePropertiesWithID(uint32 ID, const char* pkTypeName, std::vector<IProperty*>& OutList)
{
SNameKey Key = CreateKey(ID, pkTypeName);
auto MapFind = gNameMap.find(Key);
if (MapFind != gNameMap.end())
{
SNameValue& Value = MapFind->second;
OutList.reserve(Value.PropertyList.size());
for (auto Iter = Value.PropertyList.begin(); Iter != Value.PropertyList.end(); Iter++)
{
OutList.push_back(*Iter);
}
}
}
/** Retrieves a list of all XML templates that contain a given property ID. */
void RetrieveXMLsWithProperty(uint32 ID, const char* pkTypeName, std::set<TString>& OutSet)
{
SNameKey Key = CreateKey(ID, pkTypeName);
auto MapFind = gNameMap.find(Key);
if (MapFind != gNameMap.end())
{
SNameValue& NameValue = MapFind->second;
for (auto ListIter = NameValue.PropertyList.begin(); ListIter != NameValue.PropertyList.end(); ListIter++)
{
IProperty* pProperty = *ListIter;
OutSet.insert( pProperty->GetTemplateFileName() );
}
}
}
/** Updates the name of a given property in the map */
void SetPropertyName(uint32 ID, const char* pkTypeName, const char* pkNewName)
{
if( gkUseLegacyMapForUpdates )
{
auto Iter = gLegacyNameMap.find(ID);
if (Iter == gLegacyNameMap.end() || Iter->second != pkNewName)
{
Iter->second = pkNewName;
gMapIsDirty = true;
}
}
else
{
SNameKey Key = CreateKey(ID, pkTypeName);
auto MapFind = gNameMap.find(Key);
if (MapFind != gNameMap.end())
{
SNameValue& Value = MapFind->second;
if (Value.Name != pkNewName)
{
TString OldName = Value.Name;
Value.Name = pkNewName;
gMapIsDirty = true;
// Update all properties with this ID with the new name
for (auto Iter = Value.PropertyList.begin(); Iter != Value.PropertyList.end(); Iter++)
{
// If the property overrides the name, then don't change it.
IProperty* pIterProperty = *Iter;
if (pIterProperty->Name() == OldName)
{
pIterProperty->SetName(Value.Name);
}
}
}
}
}
}
/** Change a type name of a property. */
void ChangeTypeName(IProperty* pProperty, const char* pkOldTypeName, const char* pkNewTypeName)
{
uint32 OldTypeHash = CCRC32::StaticHashString(pkOldTypeName);
uint32 NewTypeHash = CCRC32::StaticHashString(pkNewTypeName);
if (OldTypeHash == NewTypeHash)
{
return;
}
// Start off with a ist of all properties in the same inheritance chain as this one.
std::list<IProperty*> Properties;
IProperty* pArchetype = pProperty->RootArchetype();
pArchetype->GatherAllSubInstances(Properties, true);
for (auto Iter = Properties.begin(); Iter != Properties.end(); Iter++)
{
pProperty = *Iter;
if (pProperty->UsesNameMap())
{
SNameKey OldKey(OldTypeHash, pProperty->ID());
SNameKey NewKey(NewTypeHash, pProperty->ID());
// Disassociate this property from the old mapping.
bool WasRegistered = false;
auto Find = gNameMap.find(OldKey);
if (Find != gNameMap.end())
{
SNameValue& Value = Find->second;
WasRegistered = (Value.PropertyList.find(pProperty) != Value.PropertyList.end());
}
// Create a key for the new property and add it to the list.
Find = gNameMap.find(NewKey);
if (Find == gNameMap.end())
{
SNameValue Value;
Value.Name = pProperty->Name();
Value.IsValid = ( CalculatePropertyID(*Value.Name, pkNewTypeName) == pProperty->ID() );
gNameMap[NewKey] = Value;
Find = gNameMap.find(NewKey);
}
ASSERT(Find != gNameMap.end());
if (WasRegistered)
{
Find->second.PropertyList.insert(pProperty);
}
gMapIsDirty = true;
}
}
RegisterTypeName(NewTypeHash, pkNewTypeName);
}
/** Change a type name. */
void ChangeTypeNameGlobally(const char* pkOldTypeName, const char* pkNewTypeName)
{
uint32 OldTypeHash = CCRC32::StaticHashString(pkOldTypeName);
uint32 NewTypeHash = CCRC32::StaticHashString(pkNewTypeName);
if (OldTypeHash == NewTypeHash)
{
return;
}
// The process here is basically to find all properties with a matching typename
// hash and update the hashes to the new type. Not 100% sure if this is the best
// way to go about doing it. From what I understand, insert() does not invalidate
// iterators, and extract() only invalidates the iterator being extracted. So this
// implementation should work correctly.
for (auto MapIter = gNameMap.begin(); MapIter != gNameMap.end(); MapIter++)
{
if (MapIter->first.TypeHash == OldTypeHash)
{
auto PrevIter = MapIter;
PrevIter--;
auto MapNode = gNameMap.extract(MapIter);
MapIter = PrevIter;
SNameKey& Key = MapNode.key();
Key.TypeHash = NewTypeHash;
gNameMap.insert( std::move(MapNode) );
gMapIsDirty = true;
}
}
RegisterTypeName(NewTypeHash, pkNewTypeName);
gHashToTypeName[NewTypeHash] = pkNewTypeName;
}
/** Registers a property in the name map. Should be called on all properties that use the map */
void RegisterProperty(IProperty* pProperty)
{
ConditionalLoadMap();
// Sanity checks to make sure we don't accidentally add non-hash property IDs to the map.
ASSERT( pProperty->UsesNameMap() );
ASSERT( pProperty->ID() > 0xFF && pProperty->ID() != 0xFFFFFFFF );
// Just need to register the property in the list.
SNameKey Key = CreateKey(pProperty);
auto MapFind = gNameMap.find(Key);
if( gkUseLegacyMapForNameLookups )
{
// If we are using the legacy map, gNameMap may be empty. We need to retrieve the name
// from the legacy map, and create an entry in gNameMap with it.
//@todo this prob isn't the most efficient way to do this
if (MapFind == gNameMap.end())
{
auto LegacyMapFind = gLegacyNameMap.find( pProperty->ID() );
ASSERT( LegacyMapFind != gLegacyNameMap.end() );
SNameValue Value;
Value.Name = LegacyMapFind->second;
Value.IsValid = ( CalculatePropertyID(*Value.Name, pProperty->HashableTypeName()) == pProperty->ID() );
pProperty->SetName(Value.Name);
gNameMap[Key] = Value;
MapFind = gNameMap.find(Key);
ASSERT(MapFind != gNameMap.end());
RegisterTypeName(Key.TypeHash, pProperty->HashableTypeName());
}
}
else
{
// If we didn't find the property name, check for int<->choice conversions
if (MapFind == gNameMap.end())
{
if (pProperty->Type() == EPropertyType::Int)
{
uint32 ChoiceHash = CCRC32::StaticHashString("choice");
SNameKey ChoiceKey(ChoiceHash, pProperty->ID());
MapFind = gNameMap.find(ChoiceKey);
}
else if (pProperty->Type() == EPropertyType::Choice)
{
uint32 IntHash = CCRC32::StaticHashString("int");
SNameKey IntKey(IntHash, pProperty->ID());
MapFind = gNameMap.find(IntKey);
}
}
// If we still didn't find it, register the property name in the map
if (MapFind == gNameMap.end())
{
SNameValue Value;
Value.Name = "Unknown";
Value.IsValid = false;
gNameMap[Key] = Value;
MapFind = gNameMap.find(Key);
RegisterTypeName(Key.TypeHash, pProperty->HashableTypeName());
}
// We should have a valid iterator at this point no matter what.
ASSERT(MapFind != gNameMap.end());
pProperty->SetName( MapFind->second.Name );
}
MapFind->second.PropertyList.insert(pProperty);
// Update the property's Name field to match the mapped name.
pProperty->SetName( MapFind->second.Name );
}
/** Unregisters a property from the name map. Should be called on all properties that use the map on destruction. */
void UnregisterProperty(IProperty* pProperty)
{
SNameKey Key = CreateKey(pProperty);
auto Iter = gNameMap.find(Key);
if (Iter != gNameMap.end())
{
// Found the value, now remove the element from the list.
SNameValue& Value = Iter->second;
Value.PropertyList.erase(pProperty);
}
}
/** Class for iterating through the map */
class CIteratorImpl
{
public:
std::map<SNameKey, SNameValue>::const_iterator mIter;
};
CIterator::CIterator()
{
mpImpl = new CIteratorImpl;
mpImpl->mIter = gNameMap.begin();
}
CIterator::~CIterator()
{
delete mpImpl;
}
uint32 CIterator::ID() const
{
return mpImpl->mIter->first.ID;
}
const char* CIterator::Name() const
{
return *mpImpl->mIter->second.Name;
}
const char* CIterator::TypeName() const
{
uint32 TypeHash = mpImpl->mIter->first.TypeHash;
auto Find = gHashToTypeName.find(TypeHash);
ASSERT(Find != gHashToTypeName.end());
return *Find->second;
}
CIterator::operator bool() const
{
return mpImpl->mIter != gNameMap.end();
}
void CIterator::operator++()
{
mpImpl->mIter++;
}
}