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tools/vmt/vmtdoc.h

@@ -0,0 +1,133 @@
+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+// $NoKeywords: $
+//
+//===========================================================================//
+
+#ifndef VMTDOC_H
+#define VMTDOC_H
+
+#ifdef _WIN32
+#pragma once
+#endif
+
+
+#include "dme_controls/inotifyui.h"
+#include "datamodel/dmehandle.h"
+#include "materialsystem/MaterialSystemUtil.h"
+#include "tier1/utlstring.h"
+
+
+//-----------------------------------------------------------------------------
+// Forward declarations 
+//-----------------------------------------------------------------------------
+class IVMTDocCallback;
+class IShader;
+enum ShaderParamType_t;
+class IMaterial;
+class IShader;
+
+
+//-----------------------------------------------------------------------------
+// Contains all editable state 
+//-----------------------------------------------------------------------------
+class CVMTDoc : public IDmNotify
+{
+public:
+	CVMTDoc( IVMTDocCallback *pCallback );
+	~CVMTDoc();
+
+	// Inherited from INotifyUI
+	virtual void NotifyDataChanged( const char *pReason, int nNotifySource, int nNotifyFlags );
+
+	// Sets/Gets the file name
+	const char *GetFileName();
+	void SetFileName( const char *pFileName );
+
+	// Dirty bits (has it changed since the last time it was saved?)
+	void	SetDirty( bool bDirty );
+	bool	IsDirty() const;
+
+	// Creates a new act busy list
+	void	CreateNew();
+
+	// Saves/loads from file
+	bool	LoadFromFile( const char *pFileName );
+	bool	SaveToFile( );
+
+	// Returns the root object
+	CDmElement *GetRootObject();
+
+	// Called when data changes (see INotifyUI for flags)
+	void	OnDataChanged( const char *pReason, int nNotifySource, int nNotifyFlags );
+
+	// Sets the shader in the material
+	void	SetShader( const char *pShaderName );
+
+	// Gets the preview material
+	IMaterial *GetPreviewMaterial();
+
+	// Sets shader parameters to the default for that shader
+	void	SetParamsToDefault();
+
+private:
+	// Creates the root element
+	bool CreateRootElement();
+
+	// Add attribute for shader parameter
+	CDmAttribute* AddAttributeForShaderParameter( CDmElement *pMaterial, const char *pParamName, ShaderParamType_t paramType );
+
+	// Add a single shader parameter if it doesn't exist
+	void AddNewShaderParam( CDmElement *pMaterial, const char *pParamName, ShaderParamType_t paramType, const char *pValue );
+
+	// Add all shader parameters that don't currently exist
+	void AddNewShaderParams( CDmElement *pMaterial, IShader *pShader );
+
+	// Is this attribute a shader parameter?
+	bool IsShaderParam( CDmAttribute* pAttribute );
+
+	// Remove all shader parameters that don't exist in the new shader
+	void RemoveUnusedShaderParams( CDmElement *pMaterial, IShader *pShader, IShader *pOldShader );
+
+	// Remove all shader parameters 
+	void RemoveAllShaderParams( CDmElement *pMaterial );
+
+	// Finds a shader
+	IShader *FindShader( const char *pShaderName );
+
+	// Updates the preview material
+	void UpdatePreviewMaterial();
+
+	// Copies VMT parameters into the root
+	void CopyParamsFromVMT( CDmElement *pVMT );
+
+	// A couple methods to set param values from strings (OLD METHOD!)
+	bool SetVMatrixParamValue( CDmAttribute *pAttribute, const char *pValue );
+	bool SetVector2DParamValue( CDmAttribute *pAttribute, const char *pValue );
+	bool SetVector3DParamValue( CDmAttribute *pAttribute, const char *pValue );
+	bool SetVector4DParamValue( CDmAttribute *pAttribute, const char *pValue );
+	bool SetColorParamValue( CDmAttribute *pAttribute, const char *pValue );
+
+	// Sets an attribute value from the shader param default
+	void SetAttributeValueFromDefault( CDmElement *pMaterial, CDmAttribute *pAttribute, const char *pValue );
+
+	// Hooks the preview to an existing material, if there is one
+	void SetupPreviewMaterial( );
+
+	// Prior to saving to disk, extract all shader parameters which == the default
+	CDmElement* ExtractDefaultParameters( );
+
+	IVMTDocCallback *m_pCallback;
+	CMaterialReference m_pScratchMaterial;
+	CMaterialReference m_pPreviewMaterial;
+	CDmeHandle< CDmElement > m_hRoot;
+	CUtlString m_CurrentShader;
+	IShader *m_pCurrentIShader;
+	char m_pFileName[512];
+	bool m_bDirty;
+};
+
+
+#endif // VMTDOC_H