pass bNeedsNormals into RageCompiledGeometry

stepmania/src/Model.cpp

@@ -94,11 +94,13 @@ void Model::LoadPieces( CString sMeshesPath, CString sMaterialsPath, CString sBo
 {
 	Clear();
 
-	ASSERT( m_pGeometry == NULL );
-	m_pGeometry = MODELMAN->LoadMilkshapeAscii( sMeshesPath );
-
+	// TRICKY: Load materials before geometry so we can figure out whether the materials require normals.
+	
 	LoadMaterialsFromMilkshapeAscii( sMaterialsPath );
 
+	ASSERT( m_pGeometry == NULL );
+	m_pGeometry = MODELMAN->LoadMilkshapeAscii( sMeshesPath, this->MaterialsNeedNormals() );
+
 	if( LoadMilkshapeAsciiBones( DEFAULT_ANIMATION_NAME, sBonesPath ) )
 		PlayAnimation( DEFAULT_ANIMATION_NAME );
 
@@ -110,7 +112,7 @@ void Model::LoadPieces( CString sMeshesPath, CString sMaterialsPath, CString sBo
 	{
 		m_vTempMeshes = m_pGeometry->m_Meshes;
 		m_pTempGeometry = DISPLAY->CreateCompiledGeometry();
-		m_pTempGeometry->Set( m_vTempMeshes );
+		m_pTempGeometry->Set( m_vTempMeshes, this->MaterialsNeedNormals() );
 	}
 }
 
@@ -762,6 +764,16 @@ void Model::HandleCommand( const Command &command )
 	EndHandleArgs;
 }
 
+bool Model::MaterialsNeedNormals() const
+{
+	FOREACH_CONST( msMaterial, m_Materials, m )
+	{
+		if( m->NeedsNormals() )
+			return true;
+	}
+	return false;
+}
+
 /*
  * (c) 2003-2004 Chris Danford
  * All rights reserved.

stepmania/src/Model.h

@@ -43,6 +43,8 @@ public:
 	void		SetDefaultAnimation( CString sAnimation, float fPlayRate = 1 );
 	bool		m_bRevertToDefaultAnimation;
 
+	bool	MaterialsNeedNormals() const;
+
 	virtual void HandleCommand( const Command &command );
 
 private:

stepmania/src/ModelManager.cpp

@@ -26,7 +26,7 @@ ModelManager::~ModelManager()
 	}
 }
 
-RageModelGeometry* ModelManager::LoadMilkshapeAscii( CString sFile )
+RageModelGeometry* ModelManager::LoadMilkshapeAscii( const CString& sFile, bool bNeedNormals )
 {
 	std::map<CString, RageModelGeometry*>::iterator p = m_mapFileToModel.find(sFile);
 	if(p != m_mapFileToModel.end())
@@ -38,7 +38,7 @@ RageModelGeometry* ModelManager::LoadMilkshapeAscii( CString sFile )
 	}
 
 	RageModelGeometry* pModel = new RageModelGeometry;
-	pModel->LoadMilkshapeAscii( sFile );
+	pModel->LoadMilkshapeAscii( sFile, bNeedNormals );
 
 	m_mapFileToModel[sFile] = pModel;
 	return pModel;
@@ -75,12 +75,13 @@ void ModelManager::UnloadModel( RageModelGeometry *m )
 	ASSERT(0);	// we tried to delete a texture that wasn't loaded.
 }
 
-bool ModelManager::SetPrefs( ModelManagerPrefs prefs )
+bool ModelManager::SetPrefs( const ModelManagerPrefs& prefs )
 {
 	m_Prefs = prefs;
 	return false;
 }
 
+
 /*
  * (c) 2003-2004 Chris Danford
  * All rights reserved.

stepmania/src/ModelManager.h

@@ -32,12 +32,12 @@ public:
 	ModelManager();
 	~ModelManager();
 
-	RageModelGeometry* LoadMilkshapeAscii( CString sFile );
+	RageModelGeometry* LoadMilkshapeAscii( const CString& sFile, bool bNeedNormals );
 	void UnloadModel( RageModelGeometry *m );
 //	void ReloadAll();
 
-	bool SetPrefs( ModelManagerPrefs prefs );
-	ModelManagerPrefs GetPrefs() { return m_Prefs; }
+	bool SetPrefs( const ModelManagerPrefs& prefs );		// returns true if needs display to be reset
+	const ModelManagerPrefs& GetPrefs() { return m_Prefs; }
 
 protected:
 

stepmania/src/ModelTypes.h

@@ -57,6 +57,8 @@ public:
 	float		m_fTexVelocityY;
 	BlendMode	m_BlendMode;
 
+	bool NeedsNormals() const { return m_bSphereMapped; }
+
 private:
 
 	int m_iCurState;
@@ -83,6 +85,8 @@ struct msMaterial
 
 	AnimatedTexture diffuse;
 	AnimatedTexture alpha;
+
+	bool NeedsNormals() const { return diffuse.NeedsNormals() || alpha.NeedsNormals() ; }
 };
 
 struct msPositionKey

stepmania/src/RageDisplay.h

@@ -17,10 +17,15 @@ const int MAX_TEXTURE_UNITS = 2;
 class RageCompiledGeometry
 {
 public:
-	virtual ~RageCompiledGeometry() { }
-
-	void Set( const vector<msMesh> &vMeshes )
+	virtual ~RageCompiledGeometry()
 	{
+		m_bNeedsNormals = false;
+	}
+
+	void Set( const vector<msMesh> &vMeshes, bool bNeedsNormals )
+	{
+		m_bNeedsNormals = bNeedsNormals;
+
 		size_t totalVerts = 0;
 		size_t totalTriangles = 0;
 
@@ -50,7 +55,7 @@ public:
 	virtual void Allocate( const vector<msMesh> &vMeshes ) = 0;	// allocate space
 	virtual void Change( const vector<msMesh> &vMeshes ) = 0;	// new data must be the same size as was passed to Set()
 	virtual void Draw( int iMeshIndex ) const = 0;
-
+	
 protected:
 	size_t GetTotalVertices()  { if( m_vMeshInfo.empty() ) return 0; return m_vMeshInfo.back().iVertexStart + m_vMeshInfo.back().iVertexCount; }
 	size_t GetTotalTriangles() { if( m_vMeshInfo.empty() ) return 0; return m_vMeshInfo.back().iTriangleStart + m_vMeshInfo.back().iTriangleCount; }
@@ -63,6 +68,7 @@ protected:
 		int iTriangleCount;
 	};
 	vector<MeshInfo>	m_vMeshInfo;
+	bool m_bNeedsNormals;
 };
 
 class RageDisplay

stepmania/src/RageModelGeometry.cpp

@@ -68,8 +68,9 @@ bool RageModelGeometry::HasAnyPerVertexBones() const
 
 #define THROW RageException::Throw( "Parse error in \"%s\" at line %d: '%s'", sPath.c_str(), iLineNum, sLine.c_str() );
 
-void RageModelGeometry::LoadMilkshapeAscii( CString sPath )
+void RageModelGeometry::LoadMilkshapeAscii( const CString& _sPath, bool bNeedsNormals )
 {
+	CString sPath = _sPath;
 	FixSlashesInPlace(sPath);
 	const CString sDir = Dirname( sPath );
 
@@ -264,7 +265,7 @@ void RageModelGeometry::LoadMilkshapeAscii( CString sPath )
 	OptimizeBones();
 
 	// send the finalized vertices to the graphics card
-	m_pCompiledGeometry->Set( m_Meshes );
+	m_pCompiledGeometry->Set( m_Meshes, bNeedsNormals );
 
 	f.Close();
 }

stepmania/src/RageModelGeometry.h

@@ -17,8 +17,7 @@ public:
 	RageModelGeometry ();
 	virtual ~RageModelGeometry ();
 
-public:
-	void LoadMilkshapeAscii( CString sMilkshapeAsciiFile );
+	void LoadMilkshapeAscii( const CString& sMilkshapeAsciiFile, bool bNeedsNormals );
 	void OptimizeBones();
 	bool HasAnyPerVertexBones() const;