/*==LICENSE==*

CyanWorlds.com Engine - MMOG client, server and tools
Copyright (C) 2011 Cyan Worlds, Inc.

This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.

Additional permissions under GNU GPL version 3 section 7

If you modify this Program, or any covered work, by linking or
combining it with any of RAD Game Tools Bink SDK, Autodesk 3ds Max SDK,
NVIDIA PhysX SDK, Microsoft DirectX SDK, OpenSSL library, Independent
JPEG Group JPEG library, Microsoft Windows Media SDK, or Apple QuickTime SDK
(or a modified version of those libraries),
containing parts covered by the terms of the Bink SDK EULA, 3ds Max EULA,
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 or by snail mail at:
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*==LICENSE==*/
#ifndef plPythonParameter_h_inc
#define plPythonParameter_h_inc

#include "../pnKeyedObject/plKey.h"

//
//  This is the data for the parameters (or attributes) for the PythonFile components
//
//  What is in the records is the id of the attribute and its value
//
// NOTE: Lists of values for parameters will have a specific type that means list
// however, the list of values will not be in one record but many records, with
// the fID being the same.
//

typedef struct plPythonParameter
{
public:
	// this is a unique (within one Python mod) id for this parameter
	Int32	fID;

	// then comes the value, which is a type followed by the data

	enum valueType
	{
		kInt=1,
		kFloat,
		kBoolean,
		kString,
		kSceneObject,
		kSceneObjectList,
		kActivatorList,
		kResponderList,
		kDynamicText,
		kGUIDialog,
		kExcludeRegion,
		kAnimation,
		kAnimationName,
		kBehavior,
		kMaterial,
		kGUIPopUpMenu,
		kGUISkin,
		kWaterComponent,
		kSwimCurrentInterface,
		kClusterComponentList,
		kMaterialAnimation,
		kGrassShaderComponent,
		kNone
	};

	Int32		fValueType;		// what type of value (dataType enum)

	// the data of the value
	union
	{
		Int32		fIntNumber;

		hsScalar	fFloatNumber;

		hsBool		fBool;

		char*		fString;

	} datarecord;

	plKey		fObjectKey;		// the plKey of the scene object (should be part of the union, but unions don't allow complex types)


	plPythonParameter()
	{
		fID = 0;
		fValueType = kNone;
	}

	plPythonParameter(Int32 id)
	{
		fID = id;
		fValueType = kNone;
	}

	plPythonParameter& operator=(const plPythonParameter& other)
	{
		return Copy(other);
	}
	// copy constructor
	plPythonParameter(const plPythonParameter& other)
	{
		fID = 0;
		fValueType = kNone;

		Copy(other);
	}

	plPythonParameter& Copy(const plPythonParameter& other)
	{
		fID = other.fID;
		switch ( other.fValueType )
		{
			case kInt:
				SetToInt(other.datarecord.fIntNumber);
				break;
			case kFloat:
				SetToFloat(other.datarecord.fFloatNumber);
				break;
			case kBoolean:
				SetToBoolean(other.datarecord.fBool);
				break;
			case kString:
				SetToString(other.datarecord.fString);
				break;
			case kSceneObject:
				SetToSceneObject(other.fObjectKey);
				break;
			case kSceneObjectList:
				SetToSceneObject(other.fObjectKey,true);
				break;
			case kActivatorList:
				SetToActivator(other.fObjectKey);
				break;
			case kResponderList:
				SetToResponder(other.fObjectKey);
				break;
			case kDynamicText:
				SetToDynamicText(other.fObjectKey);
				break;
			case kGUIDialog:
				SetToGUIDialog(other.fObjectKey);
				break;
			case kExcludeRegion:
				SetToExcludeRegion(other.fObjectKey);
				break;
			case kAnimation:
				SetToAnimation(other.fObjectKey);
				break;
			case kAnimationName:
				SetToAnimationName(other.datarecord.fString);
				break;
			case kBehavior:
				SetToBehavior(other.fObjectKey);
				break;
			case kMaterial:
				SetToMaterial(other.fObjectKey);
				break;
			case kGUIPopUpMenu:
				SetToGUIPopUpMenu(other.fObjectKey);
				break;
			case kGUISkin:
				SetToGUISkin(other.fObjectKey);
				break;
			case kWaterComponent:
				SetToWaterComponent(other.fObjectKey);
				break;
			case kSwimCurrentInterface:
				SetToSwimCurrentInterface(other.fObjectKey);
				break;
			case kClusterComponentList:
				SetToClusterComponent(other.fObjectKey);
				break;
			case kMaterialAnimation:
				SetToMaterialAnimation(other.fObjectKey);
				break;
			case kGrassShaderComponent:
				SetToGrassShaderComponent(other.fObjectKey);
				break;
		}
		return *this;
	}

	~plPythonParameter()
	{
		SetToNone();
	}

	void SetToNone()
	{
		// remove the string if one was created
		if ( fValueType == kString || fValueType == kAnimationName )
			delete [] datarecord.fString;

		fValueType = kNone;
	}

	void SetToInt(Int32 number)
	{
		SetToNone();
		fValueType = kInt;
		datarecord.fIntNumber = number;
	}
	void SetToFloat(hsScalar number)
	{
		SetToNone();
		fValueType = kFloat;
		datarecord.fFloatNumber = number;
	}
	void SetToBoolean(hsBool state)
	{
		SetToNone();
		fValueType = kBoolean;
		datarecord.fBool = state;
	}
	void SetToString(const char* string)
	{
		SetToNone();
		fValueType = kString;
		datarecord.fString = hsStrcpy(string);
	}
	void SetToSceneObject(plKey key, hsBool list=false)
	{
		SetToNone();
		if (list)
			fValueType = kSceneObjectList;
		else
			fValueType = kSceneObject;
		fObjectKey = key;
	}
	void SetToActivator(plKey key)
	{
		SetToNone();
		fValueType = kActivatorList;
		fObjectKey = key;
	}
	void SetToResponder(plKey key)
	{
		SetToNone();
		fValueType = kResponderList;
		fObjectKey = key;
	}
	void SetToDynamicText(plKey key)
	{
		SetToNone();
		fValueType = kDynamicText;
		fObjectKey = key;
	}
	void SetToGUIDialog(plKey key)
	{
		SetToNone();
		fValueType = kGUIDialog;
		fObjectKey = key;
	}
	void SetToExcludeRegion(plKey key)
	{
		SetToNone();
		fValueType = kExcludeRegion;
		fObjectKey = key;
	}
	void SetToWaterComponent(plKey key)
	{
		SetToNone();
		fValueType = kWaterComponent;
		fObjectKey = key;
	}
	void SetToSwimCurrentInterface(plKey key)
	{
		SetToNone();
		fValueType = kSwimCurrentInterface;
		fObjectKey = key;
	}
	void SetToAnimation(plKey key)
	{
		SetToNone();
		fValueType = kAnimation;
		fObjectKey = key;
	}
	void SetToAnimationName(const char* string)
	{
		SetToNone();
		fValueType = kAnimationName;
		datarecord.fString = hsStrcpy(string);
	}
	void SetToBehavior(plKey key)
	{
		SetToNone();
		fValueType = kBehavior;
		fObjectKey = key;
	}
	void SetToMaterial(plKey key)
	{
		SetToNone();
		fValueType = kMaterial;
		fObjectKey = key;
	}
	void SetToGUIPopUpMenu(plKey key)
	{
		SetToNone();
		fValueType = kGUIPopUpMenu;
		fObjectKey = key;
	}
	void SetToGUISkin(plKey key)
	{
		SetToNone();
		fValueType = kGUISkin;
		fObjectKey = key;
	}
	void SetToClusterComponent(plKey key)
	{
		SetToNone();
		fValueType = kClusterComponentList;
		fObjectKey = key;
	}
	void SetToMaterialAnimation(plKey key)
	{
		SetToNone();
		fValueType = kMaterialAnimation;
		fObjectKey = key;
	}
	void SetToGrassShaderComponent(plKey key)
	{
		SetToNone();
		fValueType = kGrassShaderComponent;
		fObjectKey = key;
	}

	// read and write routines for export and reading in at runtime
	void Read(hsStream *stream, hsResMgr* mgr)
	{
		SetToNone();

		fID = stream->ReadSwap32();
		fValueType = stream->ReadSwap32();

		// read the different types of data
		int count;
		switch ( fValueType )
		{
			case kInt:
				datarecord.fIntNumber = stream->ReadSwap32();
				break;

			case kFloat:
				stream->ReadSwap(&datarecord.fFloatNumber);
				break;

			case kBoolean:
				datarecord.fBool = stream->ReadSwap32();
				break;

			case kString:
			case kAnimationName:
				count = stream->ReadSwap32();
				if ( count != 0 )
				{
					datarecord.fString = TRACKED_NEW char[count+1];
					stream->ReadSwap(count,datarecord.fString);
				}
				else
					datarecord.fString = nil;
				break;

			case kSceneObject:
			case kSceneObjectList:
			case kActivatorList:
			case kResponderList:
			case kDynamicText:
			case kGUIDialog:
			case kExcludeRegion:
			case kAnimation:
			case kBehavior:
			case kMaterial:
			case kGUIPopUpMenu:
			case kGUISkin:
			case kWaterComponent:
			case kSwimCurrentInterface:
			case kClusterComponentList:
			case kMaterialAnimation:
			case kGrassShaderComponent:
				fObjectKey = mgr->ReadKey(stream);
				break;
		}
	}

	void Write(hsStream * stream, hsResMgr* mgr)
	{
		int count;
		stream->WriteSwap32(fID);
		stream->WriteSwap32(fValueType);
		switch ( fValueType )
		{
			case kInt:
				stream->WriteSwap32(datarecord.fIntNumber);
				break;

			case kFloat:
				stream->WriteSwap(datarecord.fFloatNumber);
				break;

			case kBoolean:
				stream->WriteSwap32(datarecord.fBool);
				break;

			case kString:
			case kAnimationName:
				if ( datarecord.fString != nil )
					count = hsStrlen(datarecord.fString)+1;
				else
					count = 0;
				stream->WriteSwap(count);
				if ( count != 0 )
					stream->WriteSwap(count,datarecord.fString);
				break;

			case kSceneObject:
			case kSceneObjectList:
			case kActivatorList:
			case kResponderList:
			case kDynamicText:
			case kGUIDialog:
			case kExcludeRegion:
			case kAnimation:
			case kBehavior:
			case kMaterial:
			case kGUIPopUpMenu:
			case kGUISkin:
			case kWaterComponent:
			case kSwimCurrentInterface:
			case kClusterComponentList:
			case kMaterialAnimation:
			case kGrassShaderComponent:
				mgr->WriteKey(stream, fObjectKey);
				break;

		}
	}
} plPythonParameter;

#endif // plPythonParameter_h_inc