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#ifndef _OCEAN_WAVE_H
#define _OCEAN_WAVE_H

#include <D3DX11Effect.h>

#include <GFSDK_WaveWorks.h>
#include "distance_field.h"

class OceanSurface
{
public:
	OceanSurface();
	~OceanSurface();

	HRESULT init();

	// ---------------------------------- GPU shading data ------------------------------------

	// D3D objects
	ID3D11Device*			m_pd3dDevice;

	ID3DX11Effect*			m_pOceanFX;
	ID3DX11EffectTechnique* m_pRenderSurfaceTechnique;
	ID3DX11EffectPass*		m_pRenderSurfaceShadedWithShorelinePass;
//	ID3DX11EffectPass*		m_pRenderSurfaceWireframeWithShorelinePass;

	ID3D11InputLayout*		m_pQuadLayout;
	ID3D11InputLayout*		m_pRayContactLayout;
	ID3DX11EffectTechnique*	m_pRenderRayContactTechnique;
	ID3D11Buffer*			m_pContactVB;
	ID3D11Buffer*			m_pContactIB;

	DistanceField*							pDistanceFieldModule; // Not owned!
	void AttachDistanceFieldModule( DistanceField* pDistanceField ) { pDistanceFieldModule = pDistanceField; }

	// --------------------------------- Rendering routines -----------------------------------
	// Rendering
	void renderShaded(		ID3D11DeviceContext* pDC, 
							const XMMATRIX matView, 
							const XMMATRIX matProj, 
							GFSDK_WaveWorks_SimulationHandle hSim, 
							GFSDK_WaveWorks_SavestateHandle hSavestate, 
							const XMFLOAT2 windDir, 
							const float steepness, 
							const float amplitude, 
							const float wavelength, 
							const float speed, 
							const float parallelness, 
							const float totalTime);
	
	void getQuadTreeStats(GFSDK_WaveWorks_Quadtree_Stats& stats);

	// --------------------------------- Surface geometry -----------------------------------
	GFSDK_WaveWorks_QuadtreeHandle m_hOceanQuadTree;
	HRESULT initQuadTree(const GFSDK_WaveWorks_Quadtree_Params& params);

	UINT* m_pQuadTreeShaderInputMappings_Shore;
	UINT* m_pSimulationShaderInputMappings_Shore;
};

#endif	// _OCEAN_WAVE_H