void
Creature::LoadFromData(CreatureLoadDataPacket& load_data)
{
JsonNode * json_root = load_data.base_node.toNode();
// Load points and topology
JsonNode * json_mesh = GetJSONLevelNodeFromKey(*json_root, "mesh");
global_pts = ReadJSONPoints3D(*json_mesh, "points", total_num_pts);
global_indices = ReadJSONUints(*json_mesh,"indices", total_num_indices);
global_uvs = ReadJSONPoints2D(*json_mesh, "uvs", total_num_pts);
render_colours = new glm::uint8[total_num_pts * 4];
render_pts = new glm::float32[total_num_pts * 3];
FillRenderColours(255, 255, 255, 255);
// Load bones
meshBone * root_bone = CreateBones(*json_root, "skeleton");
// Load regions
std::vector<meshRenderRegion *> regions = CreateRegions(*json_mesh,
"regions",
global_indices,
global_pts,
global_uvs);
// Add into composition
render_composition = new meshRenderBoneComposition();
render_composition->setRootBone(root_bone);
render_composition->getRootBone()->computeRestParentTransforms();
for(auto& cur_region : regions) {
cur_region->setMainBoneKey(root_bone->getKey());
cur_region->determineMainBone(root_bone);
render_composition->addRegion(cur_region);
}
render_composition->initBoneMap();
render_composition->initRegionsMap();
for(auto& cur_region : regions) {
cur_region->initFastNormalWeightMap(render_composition->getBonesMap());
}
render_composition->resetToWorldRestPts();
// Fill up available animation names
JsonNode * json_anim_base = GetJSONLevelNodeFromKey(*json_root, "animation");
animation_names = GetJSONKeysFromNode(*json_anim_base);
}
void ALeapMotionHandActor::Init(int32 HandIdParam, const TSubclassOf<class ALeapMotionBoneActor>& BoneBlueprint)
{
FLeapMotionDevice* Device = FLeapMotionControllerPlugin::GetLeapDeviceSafe();
if (Device && Device->IsConnected())
{
Leap::Hand Hand = Device->Frame().hand(HandIdParam);
HandId = HandIdParam;
bool IsLeft;
Device->GetIsHandLeft(HandId, IsLeft);
HandSide = IsLeft ? ELeapSide::Left : ELeapSide::Right;
}
CreateBones(BoneBlueprint);
OnHandAdded.Broadcast(HandId);
}
bool SetApexDestructibleAsset(UDestructibleMesh& DestructibleMesh, NxDestructibleAsset& ApexDestructibleAsset, FSkeletalMeshImportData* OutData, EDestructibleImportOptions::Type Options)
{
DestructibleMesh.PreEditChange(NULL);
ExistingDestMeshData * ExistDestMeshDataPtr = SaveExistingDestMeshData(&DestructibleMesh);
// The asset is going away, which will destroy any actors created from it. We must destroy the physics state of any destructible mesh components before we release the asset.
for(TObjectIterator<UDestructibleComponent> It; It; ++It)
{
UDestructibleComponent* DestructibleComponent = *It;
if(DestructibleComponent->SkeletalMesh == &DestructibleMesh && DestructibleComponent->IsPhysicsStateCreated())
{
DestructibleComponent->DestroyPhysicsState();
}
}
// Release old NxDestructibleAsset if it exists
if (DestructibleMesh.ApexDestructibleAsset != NULL && DestructibleMesh.ApexDestructibleAsset != &ApexDestructibleAsset)
{
GPhysCommandHandler->DeferredRelease(DestructibleMesh.ApexDestructibleAsset);
}
// BRGTODO - need to remove the render data from the ApexDestructibleAsset, no longer need it
// Removing const cast ... we'll have to make it non-const anyway when we modify it
DestructibleMesh.ApexDestructibleAsset = &ApexDestructibleAsset;
if ( !(Options&EDestructibleImportOptions::PreserveSettings) )
{
// Resize the depth parameters array to the appropriate size
DestructibleMesh.DefaultDestructibleParameters.DepthParameters.Init(FDestructibleDepthParameters(), ApexDestructibleAsset.getDepthCount());
// Resize the fracture effects array to the appropriate size
DestructibleMesh.FractureEffects.AddZeroed(ApexDestructibleAsset.getDepthCount());
// Load the UnrealEd-editable parameters from the destructible asset
DestructibleMesh.LoadDefaultDestructibleParametersFromApexAsset();
}
// Create body setup for the destructible mesh
DestructibleMesh.CreateBodySetup();
#if 0 // BRGTODO
// warning for missing smoothing group info
CheckSmoothingInfo(FbxMesh);
#endif
FSkeletalMeshImportData TempData;
// Fill with data from buffer
FSkeletalMeshImportData* SkelMeshImportDataPtr = &TempData;
if( OutData )
{
SkelMeshImportDataPtr = OutData;
}
// Get all material names here
ImportMaterialsForSkelMesh(*SkelMeshImportDataPtr, ApexDestructibleAsset);
// Import animation hierarchy, although this is trivial for an Apex Destructible Asset
CreateBones(*SkelMeshImportDataPtr, ApexDestructibleAsset);
// Import graphics data
bool bHaveNormals, bHaveTangents;
if (!FillSkelMeshImporterFromApexDestructibleAsset(*SkelMeshImportDataPtr, ApexDestructibleAsset, bHaveNormals, bHaveTangents))
{
return false;
}
#if 0 // BRGTODO - what is this?
if( SkelMeshImportDataPtr->Materials.Num() == FbxMatList.Num() )
{
// reorder material according to "SKinXX" in material name
SetMaterialSkinXXOrder(*SkelMeshImportDataPtr, FbxMatList );
}
#endif
#if 0 // BRGTODO - what is this?
if( ImportOptions->bSplitNonMatchingTriangles )
{
DoUnSmoothVerts(*SkelMeshImportDataPtr);
}
#endif
// process materials from import data
ProcessImportMeshMaterials( DestructibleMesh.Materials,*SkelMeshImportDataPtr );
// process reference skeleton from import data
int32 SkeletalDepth=0;
if(!ProcessImportMeshSkeleton(DestructibleMesh.RefSkeleton, SkeletalDepth, *SkelMeshImportDataPtr))
{
return false;
}
UE_LOG(LogApexDestructibleAssetImport, Warning, TEXT("Bones digested - %i Depth of hierarchy - %i"), DestructibleMesh.RefSkeleton.GetNum(), SkeletalDepth);
// process bone influences from import data
ProcessImportMeshInfluences(*SkelMeshImportDataPtr);
FSkeletalMeshResource& DestructibleMeshResource = *DestructibleMesh.GetImportedResource();
check(DestructibleMeshResource.LODModels.Num() == 0);
DestructibleMeshResource.LODModels.Empty();
new(DestructibleMeshResource.LODModels)FStaticLODModel();
DestructibleMesh.LODInfo.Empty();
DestructibleMesh.LODInfo.AddZeroed();
DestructibleMesh.LODInfo[0].LODHysteresis = 0.02f;
// Create initial bounding box based on expanded version of reference pose for meshes without physics assets. Can be overridden by artist.
FBox BoundingBox(SkelMeshImportDataPtr->Points.GetData(), SkelMeshImportDataPtr->Points.Num());
DestructibleMesh.Bounds= FBoxSphereBounds(BoundingBox);
// Store whether or not this mesh has vertex colors
DestructibleMesh.bHasVertexColors = SkelMeshImportDataPtr->bHasVertexColors;
FStaticLODModel& LODModel = DestructibleMeshResource.LODModels[0];
// Pass the number of texture coordinate sets to the LODModel. Ensure there is at least one UV coord
LODModel.NumTexCoords = FMath::Max<uint32>(1,SkelMeshImportDataPtr->NumTexCoords);
// if( bCreateRenderData ) // We always create render data
{
// copy vertex data needed to generate skinning streams for LOD
TArray<FVector> LODPoints;
TArray<FMeshWedge> LODWedges;
TArray<FMeshFace> LODFaces;
TArray<FVertInfluence> LODInfluences;
TArray<int32> LODPointToRawMap;
SkelMeshImportDataPtr->CopyLODImportData(LODPoints,LODWedges,LODFaces,LODInfluences,LODPointToRawMap);
IMeshUtilities& MeshUtilities = FModuleManager::Get().LoadModuleChecked<IMeshUtilities>("MeshUtilities");
// Create actual rendering data.
if (!MeshUtilities.BuildSkeletalMesh(DestructibleMeshResource.LODModels[0], DestructibleMesh.RefSkeleton, LODInfluences,LODWedges,LODFaces,LODPoints,LODPointToRawMap,false,!bHaveNormals,!bHaveTangents))
{
DestructibleMesh.MarkPendingKill();
return false;
}
// Presize the per-section shadow casting array with the number of sections in the imported LOD.
const int32 NumSections = LODModel.Sections.Num();
for ( int32 SectionIndex = 0 ; SectionIndex < NumSections ; ++SectionIndex )
{
DestructibleMesh.LODInfo[0].TriangleSortSettings.AddZeroed();
}
if (ExistDestMeshDataPtr)
{
RestoreExistingDestMeshData(ExistDestMeshDataPtr, &DestructibleMesh);
delete ExistDestMeshDataPtr;
ExistDestMeshDataPtr = NULL;
}
DestructibleMesh.CalculateInvRefMatrices();
DestructibleMesh.PostEditChange();
DestructibleMesh.MarkPackageDirty();
#if 0 // BRGTODO : Check, we don't need this, do we?
// We have to go and fix any AnimSetMeshLinkup objects that refer to this skeletal mesh, as the reference skeleton has changed.
for(TObjectIterator<UAnimSet> It;It;++It)
{
UAnimSet* AnimSet = *It;
// Get DestructibleMesh path name
FName SkelMeshName = FName( *DestructibleMesh.GetPathName() );
// See if we have already cached this Skeletal Mesh.
const int32* IndexPtr = AnimSet->SkelMesh2LinkupCache.Find( SkelMeshName );
if( IndexPtr )
{
AnimSet->LinkupCache( *IndexPtr ).BuildLinkup( &DestructibleMesh, AnimSet );
}
}
#endif
// Now iterate over all skeletal mesh components re-initialising them.
for(TObjectIterator<UDestructibleComponent> It; It; ++It)
{
UDestructibleComponent* DestructibleComponent = *It;
if(DestructibleComponent->SkeletalMesh == &DestructibleMesh)
{
FComponentReregisterContext ReregisterContext(DestructibleComponent);
}
}
}
#if INVERT_Y_AND_V
// Apply transformation for Y inversion
const physx::PxMat44 MirrorY = physx::PxMat44(physx::PxVec4(1.0f, -1.0f, 1.0f, 1.0f));
#if !USE_TEMPORARY_TRANSFORMATION_FUNCTION
ApexDestructibleAsset.applyTransformation(MirrorY, 1.0f);
#else
ApplyTransformationToApexDestructibleAsset( ApexDestructibleAsset, MirrorY );
#endif
#endif
return true;
}
