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public/vgui_controls/PanelAnimationVar.h

@@ -0,0 +1,161 @@
+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+//=============================================================================//
+
+#ifndef PANELANIMATIONVAR_H
+#define PANELANIMATIONVAR_H
+#ifdef _WIN32
+#pragma once
+#endif
+
+#include "tier1/utlvector.h"
+#include <vgui_controls/Panel.h>
+
+#define DECLARE_PANELANIMATION( className )												\
+	static void AddToAnimationMap( char const *scriptname, char const *type, char const *var,	\
+		char const *defaultvalue, bool array, PANELLOOKUPFUNC func )					\
+	{																					\
+		PanelAnimationMap *map = FindOrAddPanelAnimationMap( GetPanelClassName() );		\
+																						\
+		PanelAnimationMapEntry entry;													\
+		entry.m_pszScriptName = scriptname;												\
+		entry.m_pszVariable = var;														\
+		entry.m_pszType = type;															\
+		entry.m_pszDefaultValue = defaultvalue;											\
+		entry.m_pfnLookup = func;														\
+		entry.m_bArray = array;															\
+																						\
+		map->entries.AddToTail( entry );												\
+	}																					\
+																						\
+	static void ChainToAnimationMap( void )														\
+	{																					\
+		static bool chained = false;													\
+		if ( chained )																	\
+			return;																		\
+		chained = true;																	\
+		PanelAnimationMap *map = FindOrAddPanelAnimationMap( GetPanelClassName() );		\
+		map->pfnClassName = GetPanelClassName;											\
+		if ( map && GetPanelBaseClassName() && GetPanelBaseClassName()[0] )				\
+		{																				\
+			map->baseMap = FindOrAddPanelAnimationMap( GetPanelBaseClassName() );		\
+		}																				\
+	}																					\
+																						\
+	class className##_Register;															\
+	friend class className##_Register;													\
+	class className##_Register															\
+	{																					\
+	public:																				\
+		className##_Register()															\
+		{																				\
+			className::ChainToAnimationMap();													\
+		}																				\
+	};																					\
+	className##_Register m_RegisterAnimationClass;												\
+																						\
+	virtual PanelAnimationMap *GetAnimMap()												\
+	{																					\
+		return FindOrAddPanelAnimationMap( GetPanelClassName() );						\
+	}
+
+typedef void *( *PANELLOOKUPFUNC )( vgui::Panel *panel );
+
+// Use this macro to define a variable which hudanimations.txt and hudlayout.res scripts can access
+#define CPanelAnimationVarAliasType( type, name, scriptname, defaultvalue, typealias ) \
+	class PanelAnimationVar_##name; \
+	friend class PanelAnimationVar_##name; \
+	static void *GetVar_##name( vgui::Panel *panel ) \
+	{								\
+		return &(( ThisClass *)panel)->name;	\
+	}								\
+	class PanelAnimationVar_##name \
+	{ \
+	public: \
+		static void InitVar() \
+		{ \
+			static bool bAdded = false; \
+			if ( !bAdded ) \
+			{ \
+				bAdded = true; \
+				AddToAnimationMap( scriptname, typealias, #name, defaultvalue, false, ThisClass::GetVar_##name ); \
+			} \
+		}												\
+		PanelAnimationVar_##name()						\
+		{												\
+			PanelAnimationVar_##name::InitVar();		\
+		}												\
+	};													\
+	PanelAnimationVar_##name m_##name##_register;		\
+	type name;
+
+#define CPanelAnimationVar( type, name, scriptname, defaultvalue )	\
+	CPanelAnimationVarAliasType( type, name, scriptname, defaultvalue, #type )
+
+// Use this macro to define a variable which hudanimations.txt and hudlayout.res scripts can access
+#define CPanelAnimationStringVarAliasType( count, name, scriptname, defaultvalue, typealias ) \
+	class PanelAnimationVar_##name; \
+	friend class PanelAnimationVar_##name; \
+	static void *GetVar_##name( vgui::Panel *panel ) \
+	{								\
+		return &(( ThisClass *)panel)->name;	\
+	}								\
+	class PanelAnimationVar_##name \
+	{ \
+	public: \
+		static void InitVar() \
+		{ \
+			static bool bAdded = false; \
+			if ( !bAdded ) \
+			{ \
+				bAdded = true; \
+				AddToAnimationMap( scriptname, typealias, #name, defaultvalue, true, ThisClass::GetVar_##name ); \
+			} \
+		}												\
+		PanelAnimationVar_##name()						\
+		{												\
+			PanelAnimationVar_##name::InitVar();		\
+		}												\
+	};													\
+	PanelAnimationVar_##name m_##name##_register;		\
+	char name[ count ];
+
+#define CPanelAnimationStringVar( count, name, scriptname, defaultvalue )	\
+	CPanelAnimationStringVarAliasType( count, name, scriptname, defaultvalue, "string" )
+
+struct PanelAnimationMapEntry
+{
+	char const *name() { return m_pszScriptName; }
+	char const *type() { return m_pszType; }
+	char const *defaultvalue() { return m_pszDefaultValue; }
+	bool		isarray() { return m_bArray; }
+
+	char const *m_pszScriptName;
+	char const *m_pszVariable;
+	char const *m_pszType;
+	char const *m_pszDefaultValue;
+	bool		m_bArray;
+
+	PANELLOOKUPFUNC	m_pfnLookup;
+};
+
+struct PanelAnimationMap
+{
+	PanelAnimationMap()
+	{
+		baseMap = NULL;
+		pfnClassName = NULL;
+	}
+
+	CUtlVector< PanelAnimationMapEntry > entries;
+	PanelAnimationMap *baseMap;
+	char const *(*pfnClassName)( void );
+};
+
+PanelAnimationMap *FindPanelAnimationMap( char const *className );
+PanelAnimationMap *FindOrAddPanelAnimationMap( char const *className );
+void PanelAnimationDumpVars( char const *className );
+
+#endif // PANELANIMATIONVAR_H