#pragma once

#include <mmo/ArType.h>
#include "K3DTypes.h"
#include "KViewport.h"

#include "SGameAvatarAddOnMgr.h"

class K3DRenderDevice;
class SGameCircleShadowPrimitive;

namespace
{
	LPCSTR SHADOW_TEXTURE_NAME = "shadow_avatar_low.dds";
	const int SHADOW_SEGMENT_COUNT = 2;
	const int SHADOW_SEGMENET_INDEX_COUNT = (SHADOW_SEGMENT_COUNT - 1) * (SHADOW_SEGMENT_COUNT - 1) * 2;
}


class SCircleShadowCommonInfo
{
private:
	K3DTexture*					m_pTexture;
	K3DINDEXED_WATER*			m_pIndexed;

	SCircleShadowCommonInfo()
	{
		// Index Initialize
		m_pIndexed	=	new K3DINDEXED_WATER[SHADOW_SEGMENET_INDEX_COUNT];
		K3DINDEXED_WATER*	pIndexed	=	m_pIndexed;
		for(int h = 0; h < (SHADOW_SEGMENT_COUNT-1); h++)
		{
			for( int w = 0; w < (SHADOW_SEGMENT_COUNT-1); w++)
			{
				pIndexed->a	=	(WORD)((SHADOW_SEGMENT_COUNT*h)+w);
				pIndexed->b	=	(WORD)((SHADOW_SEGMENT_COUNT*h)+w+1);
				pIndexed->c	=	(WORD)((SHADOW_SEGMENT_COUNT*(h+1))+w);
				pIndexed++;		

				pIndexed->a	=	(WORD)((SHADOW_SEGMENT_COUNT*h)+w+1);
				pIndexed->b	=	(WORD)((SHADOW_SEGMENT_COUNT*(h+1))+w+1);
				pIndexed->c	=	(WORD)((SHADOW_SEGMENT_COUNT*(h+1))+w);
				pIndexed++;
			}
		}

		NX3LoadPack loadpack;
		loadpack.Init();

		m_pTexture	= KTextureManager::GetManager()->GetTexture( SHADOW_TEXTURE_NAME, &loadpack, true, KTextureManager::GetManager()->GetMipMapBiasLevel() );
		m_pTexture->AddRef();
	}
public:
	static SCircleShadowCommonInfo& GetInstance();
	~SCircleShadowCommonInfo()
	{
		Destroy();
	}

	void Destroy()
	{
		SAFE_RELEASE( m_pTexture  );
		SAFE_DELETE_ARRAY( m_pIndexed );
	}
public:
	const K3DINDEXED_WATER* GetCircleShadowIndexBuffer()
	{
		return m_pIndexed;
	}

	K3DTexture* GetCircleShadowTexture()
	{
		return m_pTexture;
	}
};

class SGameCircleShadowFX : public SGameAvatarAddOnMgr
{
public:
	SGameCircleShadowFX();
	virtual ~SGameCircleShadowFX();
	
	void			Initialize();
	void			Render( class KViewportObject** ppViewportList, int nViewportCount );
	void			Refresh();
private:
	SGameCircleShadowPrimitive*	m_pPrimitive;
	
	K3DBLENDEDBUMPVERTEX*		m_pVertex;

	float						m_fScale;
	
	float						m_fWidthLength;
	float						m_fHeightLength;
	float						m_fWidthCenter;
	float						m_fHeightCenter;

	K3DVector					m_vPos;
};