define.h

来自「选自《3D游戏编程》第5章 实战例题：3D编程技术的实战例题」· C头文件 代码 · 共 46 行

#ifndef _DEFINE_H_
#define _DEFINE_H_

#include <d3d9.h>
#include <d3dx9.h>

#ifndef MAINBODY
#define DECLARE extern
#else
#define DECLARE
#endif

#ifndef S_DEL
	#define S_DEL(p)		{ if(p) { delete (p); (p) = NULL; } }
#endif

#ifndef S_DELS
	#define S_DELS(p)		{ if(p) { delete[] (p); (p) = NULL; } }
#endif

#ifndef S_REL
	#define S_REL(p)		{ if(p) { (p)->Release(); (p) = NULL; } }
#endif

#define IS_IN_RANGE(value,r0,r1) (( ((r0) <= (value)) && ((value) <= (r1)) ) ? 1 : 0)

#define _USE_INDEX16

struct TERRAINVERTEX
{
	enum _FVF { FVF=(D3DFVF_XYZ|D3DFVF_NORMAL|D3DFVF_TEX1) };
	D3DXVECTOR3	p;
	D3DXVECTOR3	n;
	D3DXVECTOR2	t;
};

struct TRIINDEX
{
#ifdef _USE_INDEX16
	WORD _0, _1, _2;
#else
	DWORD	_0, _1, _2;
#endif
};

#endif // _DEFINE_H_