void USoundGroups::Initialize() const
{
for (int32 ProfileIndex = 0; ProfileIndex < SoundGroupProfiles.Num(); ++ProfileIndex)
{
SoundGroupMap.Add(SoundGroupProfiles[ProfileIndex].SoundGroup, SoundGroupProfiles[ProfileIndex]);
}
if (!SoundGroupMap.Find(SOUNDGROUP_Default))
{
UE_LOG(LogAudio, Warning, TEXT("Missing default SoundGroup profile. Creating default with no decompression."));
SoundGroupMap.Add(SOUNDGROUP_Default, FSoundGroup());
}
#if WITH_EDITOR
UEnum* SoundGroupEnum = FindObjectChecked<UEnum>(NULL, TEXT("/Script/Engine.ESoundGroup"));
for (const auto& It : SoundGroupMap)
{
if (It.Value.DisplayName.Len() > 0)
{
SoundGroupEnum->SetMetaData(TEXT("DisplayName"), *It.Value.DisplayName, It.Key);
SoundGroupEnum->RemoveMetaData(TEXT("Hidden"), It.Key);
}
else
{
if (SoundGroupEnum->HasMetaData(TEXT("Hidden"), It.Key))
{
UE_LOG(LogAudio, Warning, TEXT("Custom Game SoundGroup profile for %s defined but no display name supplied."), *SoundGroupEnum->GetEnumText(It.Key).ToString());
}
SoundGroupEnum->RemoveMetaData(TEXT("Hidden"), It.Key);
}
}
#endif
}
void UPhysicsSettings::LoadSurfaceType()
{
// read "SurfaceType" defines and set meta data for the enum
// find the enum
UEnum * Enum = FindObject<UEnum>(ANY_PACKAGE, TEXT("EPhysicalSurface"), true);
// we need this Enum
check(Enum);
const FString KeyName = TEXT("DisplayName");
const FString HiddenMeta = TEXT("Hidden");
const FString UnusedDisplayName = TEXT("Unused");
// remainders, set to be unused
for(int32 EnumIndex=1; EnumIndex<Enum->NumEnums(); ++EnumIndex)
{
// if meta data isn't set yet, set name to "Unused" until we fix property window to handle this
// make sure all hide and set unused first
// if not hidden yet
if(!Enum->HasMetaData(*HiddenMeta, EnumIndex))
{
Enum->SetMetaData(*HiddenMeta, TEXT(""), EnumIndex);
Enum->SetMetaData(*KeyName, *UnusedDisplayName, EnumIndex);
}
}
for(auto Iter=PhysicalSurfaces.CreateConstIterator(); Iter; ++Iter)
{
// @todo only for editor
Enum->SetMetaData(*KeyName, *Iter->Name.ToString(), Iter->Type);
// also need to remove "Hidden"
Enum->RemoveMetaData(*HiddenMeta, Iter->Type);
}
}
void UCollisionProfile::LoadProfileConfig(bool bForceInit)
{
/**
* This function loads all config data to memory
*
* 1. First it fixes the meta data for each custom channel name since those meta data is used for #2
* 2. Load Default Profile so that it can be used later
* 3. Second it sets up Correct ResponseToChannel for all profiles
* 4. It loads profile redirect data
**/
// read "EngineTraceChanne" and "GameTraceChanne" and set meta data
FConfigSection* Configs = GConfig->GetSectionPrivate( TEXT("/Script/Engine.CollisionProfile"), false, true, GEngineIni );
// before any op, verify if profiles contains invalid name - such as Custom profile name - remove all of them
for (auto Iter=Profiles.CreateConstIterator(); Iter; ++Iter)
{
// make sure it doens't have any
if (Iter->Name == CustomCollisionProfileName)
{
UE_LOG(LogCollisionProfile, Error, TEXT("Profiles contain invalid name : %s is reserved for internal use"), *CustomCollisionProfileName.ToString());
Profiles.RemoveAt(Iter.GetIndex());
}
}
// 1. First loads all meta data for custom channels
// this can be used in #2, so had to fix up first
// this is to replace ECollisionChannel's DisplayName to be defined by users
FString EngineTraceChannel = TEXT("EngineTraceChannel");
FString GameTraceChannel = TEXT("GameTraceChannel");
// find the enum
UEnum* Enum = FindObject<UEnum>(ANY_PACKAGE, TEXT("ECollisionChannel"), true);
// we need this Enum
check (Enum);
UStruct* Struct = FCollisionResponseContainer::StaticStruct();
check (Struct);
const FString KeyName = TEXT("DisplayName");
const FString TraceType = TEXT("TraceQuery");
const FString TraceValue = TEXT("1");
const FString HiddenMeta = TEXT("Hidden");
// need to initialize displaynames separate
int32 NumEnum = Enum->NumEnums();
ChannelDisplayNames.Empty(NumEnum);
ChannelDisplayNames.AddZeroed(NumEnum);
TraceTypeMapping.Empty();
ObjectTypeMapping.Empty();
// first go through enum entry, and add suffix to displaynames
int32 PrefixLen = FString(TEXT("ECC_")).Len();
// need to have mapping table between ECollisionChannel and EObjectTypeQuery/ETraceTypeQuery
UEnum* ObjectTypeEnum = FindObject<UEnum>(ANY_PACKAGE, TEXT("EObjectTypeQuery"), true);
UEnum* TraceTypeEnum = FindObject<UEnum>(ANY_PACKAGE, TEXT("ETraceTypeQuery"), true);
check (ObjectTypeEnum && TraceTypeEnum);
for ( int32 EnumIndex=0; EnumIndex<NumEnum; ++EnumIndex )
{
FString EnumName = Enum->GetEnumName(EnumIndex);
EnumName = EnumName.RightChop(PrefixLen);
FName DisplayName = FName(*EnumName);
if ( IS_VALID_COLLISIONCHANNEL(EnumIndex) )
{
// verify if the Struct name matches
// this is to avoid situations where they mismatch and causes random bugs
UField* Field = FindField<UField>(Struct, DisplayName);
if (!Field)
{
// error - this is bad. This means somebody changed variable name without changing channel enum
UE_LOG(LogCollisionProfile, Error, TEXT("Variable (%s) isn't found for Channel (%s). \nPlease make sure you name matches between ECollisionChannel and FCollisionResponseContainer."), *DisplayName.ToString(), *EnumName);
}
#if WITH_EDITOR
// clear displayname since we're setting it in below
Enum->RemoveMetaData(*KeyName, EnumIndex);
if (Enum->HasMetaData(*HiddenMeta, EnumIndex) == false)
{
Enum->SetMetaData(*HiddenMeta, NULL, EnumIndex);
}
#endif
}
else
{
// fix up FCollisionQueryFlag AllObjects flag, if trace type=1
ECollisionChannel CollisionChannel = (ECollisionChannel)EnumIndex;
// for any engine level collision profile, we hard coded here
// meta data doesn't work in cooked build, so we'll have to manually handle them
if ((CollisionChannel == ECC_Visibility) || (CollisionChannel == ECC_Camera))
{
// remove from object query flags
FCollisionQueryFlag::Get().RemoveFromAllObjectsQueryFlag(CollisionChannel);
TraceTypeMapping.Add(CollisionChannel);
}
else if ( CollisionChannel < ECC_OverlapAll_Deprecated )
{
ObjectTypeMapping.Add(CollisionChannel);
}
}
ChannelDisplayNames[EnumIndex] = DisplayName;
}
// Now Load Channel setups, and set display names if customized
// also initialize DefaultResposneContainer with default response for each channel
FCollisionResponseContainer::DefaultResponseContainer.SetAllChannels(ECR_Block);
for (auto Iter=DefaultChannelResponses.CreateConstIterator(); Iter; ++Iter)
{
const FCustomChannelSetup& CustomChannel = *Iter;
int32 EnumIndex = CustomChannel.Channel;
// make sure it is the range of channels we allow to change
if ( IS_VALID_COLLISIONCHANNEL(EnumIndex) )
{
if ( CustomChannel.Name != NAME_None )
{
// before you set meta data, you'll have to save this value to modify
// ECollisionResponseContainer variables meta data
FString VariableName = ChannelDisplayNames[EnumIndex].ToString();
FString DisplayValue = CustomChannel.Name.ToString();
// also has to set this for internal use
ChannelDisplayNames[EnumIndex] = FName(*DisplayValue);
#if WITH_EDITOR
// set displayvalue for this enum entry
Enum->SetMetaData(*KeyName, *DisplayValue, EnumIndex);
// also need to remove "Hidden"
Enum->RemoveMetaData(*HiddenMeta, EnumIndex);
#endif
// now add MetaData type for trace type if it does
if (CustomChannel.bTraceType)
{
#if WITH_EDITOR
// add to enum
Enum->SetMetaData(*TraceType, *TraceValue, EnumIndex);
#endif
// remove from all object queries
FCollisionQueryFlag::Get().RemoveFromAllObjectsQueryFlag(CustomChannel.Channel);
TraceTypeMapping.Add(CustomChannel.Channel);
}
// if it has display value
else
{
#if WITH_EDITOR
// add to enum
Enum->RemoveMetaData(*TraceType, EnumIndex);
#endif
ObjectTypeMapping.Add(CustomChannel.Channel);
if (CustomChannel.bStaticObject)
{
// add to static object
FCollisionQueryFlag::Get().AddToAllStaticObjectsQueryFlag(CustomChannel.Channel);
}
}
#if WITH_EDITOR
// now enum is fixed, so find member variable for the field
UField* Field = FindField<UField>(Struct, FName(*VariableName));
// I verified up in the class, this can't happen
check (Field);
Field->SetMetaData(*KeyName, *DisplayValue);
#endif
}
else
{
// missing name
UE_LOG(LogCollisionProfile, Warning, TEXT("Name can't be empty for Channel (%d) "), EnumIndex );
}
// allow it to set default response
FCollisionResponseContainer::DefaultResponseContainer.SetResponse((ECollisionChannel) EnumIndex, CustomChannel.DefaultResponse);
}
else
{
// you can't customize those channels
UE_LOG(LogCollisionProfile, Warning, TEXT("Default Setup doesn't allow for predefined engine channels (%d) "), EnumIndex);
}
}
#if WITH_EDITOR
// now propagate all changes to the channels to EObjectTypeQuery and ETraceTypeQuery for blueprint accessibility
// this code is to show in editor more friendly, so it doesn't have to be set if it's not for editor
int32 ObjectTypeEnumIndex = 0;
int32 TraceTypeEnumIndex = 0;
// first go through fill up ObjectType Enum
for ( int32 EnumIndex=0; EnumIndex<NumEnum; ++EnumIndex )
{
// if not hidden
const FString& Hidden = Enum->GetMetaData(*HiddenMeta, EnumIndex);
if ( Hidden.IsEmpty() )
{
const FString& DisplayName = Enum->GetMetaData(*KeyName, EnumIndex);
if ( !DisplayName.IsEmpty() )
{
// find out trace type or object type
if (Enum->GetMetaData(*TraceType, EnumIndex) == TraceValue)
{
TraceTypeEnum->RemoveMetaData(*HiddenMeta, TraceTypeEnumIndex);
TraceTypeEnum->SetMetaData(*KeyName, *DisplayName, TraceTypeEnumIndex);
++TraceTypeEnumIndex;
}
else
{
ObjectTypeEnum->RemoveMetaData(*HiddenMeta, ObjectTypeEnumIndex);
ObjectTypeEnum->SetMetaData(*KeyName, *DisplayName, ObjectTypeEnumIndex);
++ObjectTypeEnumIndex;
}
}
}
}
// make sure TraceTypeEnumIndex matches TraceTypeMapping
check (TraceTypeMapping.Num() == TraceTypeEnumIndex);
check (ObjectTypeMapping.Num() == ObjectTypeEnumIndex);
#endif
// collision redirector has to be loaded before profile
CollisionChannelRedirectsMap.Empty();
for(auto Iter = CollisionChannelRedirects.CreateConstIterator(); Iter; ++Iter)
{
FName OldName = Iter->OldName;
FName NewName = Iter->NewName;
// at least we need to have OldName
if(OldName!= NAME_None && NewName != NAME_None)
{
// add to pair
CollisionChannelRedirectsMap.Add(OldName, NewName);
}
else
{
// print error
UE_LOG(LogCollisionProfile, Warning, TEXT("CollisionChannel Redirects : Name Can't be none (%s: %s)"), *OldName.ToString(), *NewName.ToString());
}
}
// 2. Second loads all set up back to ResponseToChannels
// this does a lot of iteration, but this only happens once loaded, so it's better to be convenient than efficient
// fill up Profiles data
FillProfileData(Profiles, Enum, KeyName, EditProfiles);
// 3. It loads redirect data - now time to load profile redirect
ProfileRedirectsMap.Empty();
// handle profile redirect here
for(auto Iter = ProfileRedirects.CreateConstIterator(); Iter; ++Iter)
{
FName OldName = Iter->OldName;
FName NewName = Iter->NewName;
// at least we need to have OldName
if(OldName!= NAME_None && NewName != NAME_None)
{
FCollisionResponseTemplate Template;
// make sure the template exists
if(FindProfileData(Profiles, NewName, Template))
{
// add to pair
ProfileRedirectsMap.Add(OldName, NewName);
}
else
{
// print error
UE_LOG(LogCollisionProfile, Warning, TEXT("ProfileRedirect (%s : %s) - New Name (\'%s\') isn't found "),
*OldName.ToString(), *NewName.ToString(), *NewName.ToString());
}
}
}
#if WITH_EDITOR
if (bForceInit)
{
// go through objects, and see if we can reinitialize profile
for(TObjectIterator<UPrimitiveComponent> PrimIt; PrimIt; ++PrimIt)
{
PrimIt->UpdateCollisionProfile();
}
}
#endif
}