/*****************************************************************************\
    FILE: object.h

    DESCRIPTION:
        The caller will tell us what shape they want.  Normally a rectangle on a
    plane or a sphere.  We will then create the number vertexs the caller wants
    for that objectand create texture coordinates.

    BryanSt 12/24/2000
    Copyright (C) Microsoft Corp 2000-2001. All rights reserved.
\*****************************************************************************/


#ifndef OBJECT_H
#define OBJECT_H

#include "main.h"


struct MYVERTEX
{
    D3DXVECTOR3 pos;
    D3DXVECTOR3 norm;
    float tu;
    float tv;

    MYVERTEX() { }
    MYVERTEX(const D3DXVECTOR3& v, const D3DXVECTOR3& n, float _tu, float _tv)
        { pos = v; norm = n; 
          tu = _tu; tv = _tv;
        }
};

#define D3DFVF_MYVERTEX (D3DFVF_XYZ|D3DFVF_NORMAL|D3DFVF_TEX1)

//-----------------------------------------------------------------------------
// Defines, constants, and global variables
//-----------------------------------------------------------------------------


extern int g_nTrianglesRenderedInThisFrame;


class C3DObject
{
public:
    HRESULT InitPlane(CTexture * pTexture, IDirect3DDevice8 * pD3DDevice, D3DXVECTOR3 vLocation, D3DXVECTOR3 vSize, D3DXVECTOR3 vNormal, 
                                int nNumVertexX, int nNumVertexY, float fTextureScaleX, float fTextureScaleY,
                                DWORD dwMaxPixelSize, float fVisibleRadius);
    HRESULT InitPlaneStretch(CTexture * pTexture, IDirect3DDevice8 * pD3DDevice, D3DXVECTOR3 vLocation, D3DXVECTOR3 vSize, D3DXVECTOR3 vNormal, 
                                int nNumVertexX, int nNumVertexY, DWORD dwMaxPixelSize);

    HRESULT Render(IDirect3DDevice8 * pDev);
    HRESULT FinalCleanup(void);
    HRESULT DeleteDeviceObjects(void);
    HRESULT SetNextObject(C3DObject * pNextObject);
    HRESULT CombineObject(IDirect3DDevice8 * pD3DDevice, C3DObject * pObjToMerge);
    BOOL IsObjectViewable(IDirect3DDevice8 * pD3DDevice);

    C3DObject(CMSLogoDXScreenSaver * pMain);
    virtual ~C3DObject();

public:

    D3DXMATRIX m_matIdentity;

    CTexture * m_pTexture;

    IDirect3DVertexBuffer8 * m_pVB[10];
    IDirect3DIndexBuffer8 * m_pIndexBuff[10];
    MYVERTEX * m_pvVertexs;
    DWORD m_dwNumVer;
    LPWORD m_pdwIndices;
    DWORD m_dwNumIndeces;

    C3DObject * m_pNextObject;
    CMSLogoDXScreenSaver * m_pMain;         // Weak reference

    D3DXVECTOR3 m_vMin;
    D3DXVECTOR3 m_vMax;

private:
    // Functions:
    HRESULT _PurgeDeviceObjects(void);
    HRESULT _GenerateDeviceObjects(void);
    HRESULT _ForPositiveSize(D3DXVECTOR3 * pvLocation, D3DXVECTOR3 * pvSize);
};


#endif // OBJECT_H