shader_toonshade.h

游戏编程精华02－含有几十个游戏编程例子

/*********************************************************************NVMH2****
Path:  E:\devrel\NV_SDK_4\DX8\NVEffectsBrowser\Effects\ToonShade
File:  shader_ToonShade.h

Copyright (C) 1999, 2000 NVIDIA Corporation
This file is provided without support, instruction, or implied warranty of any
kind.  NVIDIA makes no guarantee of its fitness for a particular purpose and is
not liable under any circumstances for any damages or loss whatsoever arising
from the use or inability to use this file or items derived from it.

Comments:


******************************************************************************/


#ifndef SHADER_TOONSHADE_H
#define SHADER_TOONSHADE_H
#include "MouseUI.h"

//ToonShadeVertex
struct TSVertex
{
	float x, y, z;
	float nx, ny, nz;
	float u0;         //texcoord for stage 0
	float u1;         //texcoord for stage 1
	enum FVF
	{
		FVF_Flags = D3DFVF_XYZ | D3DFVF_NORMAL | D3DFVF_TEX2 | D3DFVF_TEXCOORDSIZE1( 0 ) | D3DFVF_TEXCOORDSIZE1( 1 )
	};
};

typedef enum tageToonDisplayOptions
{
	TOONDISPLAY_SILHOUETTES = 0,
	TOONDISPLAY_SHADING = 1,
	TOONDISPLAY_SILHOUETTESANDSHADING = 2
} eToonDisplayOptions;

class CShaderToonShade : public EBEffect
{
public:	
	CShaderToonShade();
	~CShaderToonShade();
	
	virtual void    UpdateProperties();
	virtual HRESULT Initialize(IDirect3DDevice8* pDev);
	virtual HRESULT Free();
	virtual HRESULT Start();
	virtual HRESULT Tick(EBTimer* pTimer);
	virtual HRESULT ConfirmDevice(D3DCAPS8* pCaps, DWORD dwBehavior, D3DFORMAT Format);
	virtual void MouseMove(HWND hWnd, int x, int y);
	virtual void MouseButton(HWND hWnd, eButtonID Button, bool bDown, int x, int y);
	virtual void Keyboard(DWORD dwKey, UINT nFlags, bool bDown);
	virtual void PropertyUpdateCallback(const EBProperty* pProperty, bool bWritten);
	
private:
	LPDIRECT3DVERTEXBUFFER8		m_pVertexBuffer;
	LPDIRECT3DINDEXBUFFER8    m_pIndexBuffer;
	
	LPDIRECT3DTEXTURE8 m_pShadeTexture;
	LPDIRECT3DTEXTURE8 m_pEdgeTexture;
	
	D3DXATTRIBUTERANGE*  m_pAttributes;
	D3DCOLOR* m_pTFactorColors;  //these are the "primary" colors of the mesh's textures
	
	//our matrices
	D3DXMATRIX m_world;
	D3DXMATRIX m_view;
	D3DXMATRIX m_proj;
	
	//number of sections in the mesh
	DWORD m_dwNumSections;
	
	DWORD m_dwCurrentShader;
	
	bool m_bWireframe;
	bool m_bUseTrilinear;
	bool m_bSilhouettes;
	bool m_bShading;
	bool m_bShadingSilhouettes;
	
	MouseUI* m_pUI;

	//bounding sphere attributes
	float m_fRadius;
	D3DXVECTOR3 m_vecCenter;

	eToonDisplayOptions m_eDisplayOption;
	
	HRESULT LoadXFile(const char* fileName, const DWORD dwFVF);
	HRESULT SetVertexShaderMatrices();
	HRESULT SetTextureStageStates();
	HRESULT SetBuffers();
	
};

#endif