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Repaired glTF2 animations for the Y-Up case

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This commit is contained in:
Robert Beckebans 2022-09-26 00:31:47 +02:00
parent 64cd34412c
commit 02941624f9
2 changed files with 21 additions and 18 deletions
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37
neo/renderer/Model_gltf.cpp
View file

@ -48,9 +48,8 @@ idCVar gltf_AnimSampleRate( "gltf_AnimSampleRate", "24", CVAR_SYSTEM | CVAR_INTE
static const byte GLMB_VERSION = 101;
static const unsigned int GLMB_MAGIC = ( 'M' << 24 ) | ( 'L' << 16 ) | ( 'G' << 8 ) | GLMB_VERSION;
static const char* GLTF_SnapshotName = "_GLTF_Snapshot_";
static const idAngles blenderToDoomAngels = idAngles( 0.0f, 0.0f, 90 );
//static const idMat4 blenderToDoomTransform( blenderToDoomAngels.ToMat3(), vec3_origin );
static const idMat4 blenderToDoomTransform = mat4_identity;
static const idMat4 blenderToDoomTransform( idAngles( 0.0f, 0.0f, 90 ).ToMat3(), vec3_origin );
//static const idMat4 blenderToDoomTransform = mat4_identity;
static idRenderModelGLTF* lastMeshFromFile = nullptr;
bool idRenderModelStatic::ConvertGltfMeshToModelsurfaces( const gltfMesh* mesh )
@ -58,34 +57,34 @@ bool idRenderModelStatic::ConvertGltfMeshToModelsurfaces( const gltfMesh* mesh )
return false;
}
void idRenderModelGLTF::ProcessNode( gltfNode* modelNode, idMat4 trans, gltfData* data )
void idRenderModelGLTF::ProcessNode_r( gltfNode* modelNode, idMat4 parentTransform, gltfData* data )
{
auto& meshList = data->MeshList();
auto& nodeList = data->NodeList();
gltfData::ResolveNodeMatrix( modelNode );
idMat4 curTrans = trans * modelNode->matrix;
idMat4 nodeToWorldTransform = parentTransform * modelNode->matrix;
if( modelNode->mesh >= 0 )
{
gltfMesh* targetMesh = meshList[modelNode->mesh];
idMat4 newTrans;
idMat4 animTransform;
if( !animIds.Num() )
{
newTrans = curTrans;
animTransform = nodeToWorldTransform;
}
else
{
newTrans = mat4_identity;
animTransform = mat4_identity;
}
for( auto prim : targetMesh->primitives )
{
//ConvertFromMeshGltf should only be used for the map, ConvertGltfMeshToModelsurfaces should be used.
auto* mesh = MapPolygonMesh::ConvertFromMeshGltf( prim, data, newTrans );
auto* mesh = MapPolygonMesh::ConvertFromMeshGltf( prim, data, animTransform * blenderToDoomTransform );
modelSurface_t surf;
gltfMaterial* mat = NULL;
@ -138,7 +137,7 @@ void idRenderModelGLTF::ProcessNode( gltfNode* modelNode, idMat4 trans, gltfData
for( auto& child : modelNode->children )
{
ProcessNode( nodeList[child], curTrans, data );
ProcessNode_r( nodeList[child], nodeToWorldTransform, data );
}
}
@ -243,7 +242,7 @@ void idRenderModelGLTF::InitFromFile( const char* fileName )
hasAnimations = totalAnims > 0;
model_state = hasAnimations ? DM_CACHED : DM_STATIC;
ProcessNode( root, mat4_identity, data );
ProcessNode_r( root, mat4_identity, data );
if( surfaces.Num() <= 0 )
{
@ -538,7 +537,7 @@ idList<idJointQuat> GetPose( idList<gltfNode>& bones, idJointMat* poseMat )
}
idJointQuat& pose = ret[i];
pose.q = ( trans.ToMat3().Transpose().ToQuat() );
pose.q = ( trans.ToMat3().ToQuat() );
pose.t = idVec3( trans[0][3], trans[1][3], trans[2][3] );
pose.w = pose.q.CalcW();
}
@ -830,11 +829,15 @@ idFile_Memory* idRenderModelGLTF::GetAnimBin( idStr animName , const ID_TIME_T
{
if( node->parent == nullptr )
{
q = blenderToDoomAngels.ToQuat() * animBones[i][b].rotation;
if( animBones[i].Num() == 1 )
{
q = -animBones[i][b].rotation;
}
//q = blenderToDoomAngels.ToQuat() * animBones[i][b].rotation;
q = blenderToDoomTransform.ToMat3().ToQuat() * animBones[i][b].rotation;
//if( animBones[i].Num() == 1 )
//{
// this is not hit
// q = -animBones[i][b].rotation;
//}
}
else
{

2
neo/renderer/Model_gltf.h
View file

@ -57,7 +57,7 @@ public:
static idFile_Memory* GetAnimBin( idStr animName, const ID_TIME_T sourceTimeStamp );
int rootID;
private:
void ProcessNode( gltfNode* modelNode, idMat4 trans, gltfData* data );
void ProcessNode_r( gltfNode* modelNode, idMat4 trans, gltfData* data );
void UpdateSurface( const struct renderEntity_s* ent, const idJointMat* entJoints, const idJointMat* entJointsInverted, modelSurface_t* surf, const modelSurface_t& sourceSurf );
void UpdateMd5Joints();