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optimize meshes where all vertices are associated with the same bone

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This commit is contained in:
Chris Danford
2004-04-05 10:05:15 +00:00
parent 2a4dc7808d
commit 957b03f325
5 changed files with 83 additions and 9 deletions
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stepmania/src/Model.cpp
+37 -7
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@@ -111,7 +111,22 @@ void Model::LoadPieces( CString sMeshesPath, CString sMaterialsPath, CString sBo
//
// Setup temp vertices (if necessary)
//
m_bUseTempVertices = m_mapNameToAnimation[DEFAULT_ANIMATION_NAME].Bones.size() > 0; // if there are no bones, then there's no reason to use temp vertices
bool bHasAnyPerVertexBones = false;
for (int i = 0; i < (int)m_pGeometry->m_Meshes.size(); i++)
{
msMesh& mesh = m_pGeometry->m_Meshes[i];
for (int j = 0; j < (int)mesh.Vertices.size(); j++)
{
RageModelVertex &vert = mesh.Vertices[j];
if( vert.boneIndex != -1 )
{
bHasAnyPerVertexBones = true;
break;
}
}
}
m_bUseTempVertices = bHasAnyPerVertexBones;
if( m_bUseTempVertices )
{
m_vTempVerticesByMesh.resize( m_pGeometry->m_Meshes.size() );
@@ -476,9 +491,6 @@ void Model::DrawPrimitives()
// UGLY: This overrides the Actor's BlendMode
DISPLAY->SetTextureModeAdd();
}
DISPLAY->DrawIndexedTriangles( &TempVertices[0], pMesh->Vertices.size(), (Uint16*)&pMesh->Triangles[0], pMesh->Triangles.size()*3 );
DISPLAY->SetSphereEnironmentMapping( false );
}
else
{
@@ -495,7 +507,23 @@ void Model::DrawPrimitives()
shininess );
DISPLAY->ClearAllTextures();
DISPLAY->SetSphereEnironmentMapping( false );
DISPLAY->DrawIndexedTriangles( &TempVertices[0], pMesh->Vertices.size(), (Uint16*)&pMesh->Triangles[0], pMesh->Triangles.size()*3 );
}
// apply mesh-specific bone (if any)
if( pMesh->nBoneIndex != -1 )
{
DISPLAY->PushMatrix();
RageMatrix &mat = m_vpBones[pMesh->nBoneIndex].mFinal;
DISPLAY->PreMultMatrix( mat );
}
DISPLAY->DrawIndexedTriangles( &TempVertices[0], pMesh->Vertices.size(), (Uint16*)&pMesh->Triangles[0], pMesh->Triangles.size()*3 );
DISPLAY->SetSphereEnironmentMapping( false );
if( pMesh->nBoneIndex != -1 )
{
DISPLAY->PopMatrix();
}
}
}
@@ -611,12 +639,14 @@ void Model::PlayAnimation( CString sAniName, float fPlayRate )
}
}
// subtract out the bone's resting position
for (i = 0; i < (int)m_pGeometry->m_Meshes.size(); i++)
{
msMesh *pMesh = &m_pGeometry->m_Meshes[i];
for (j = 0; j < (int)pMesh->Vertices.size(); j++)
{
RageModelVertex *pVertex = &pMesh->Vertices[j];
int nBoneIndex = (pMesh->nBoneIndex!=-1) ? pMesh->nBoneIndex : pVertex->boneIndex;
if (pVertex->boneIndex != -1)
{
pVertex->p[0] -= m_vpBones[pVertex->boneIndex].mAbsolute.m[3][0];
@@ -785,9 +815,9 @@ void Model::Update( float fDelta )
}
//
// process vertices
// process per-vertex bones
//
if( m_bUseTempVertices && m_pGeometry )
if( m_pGeometry && m_bUseTempVertices )
{
for (int i = 0; i < (int)m_pGeometry->m_Meshes.size(); i++)
{