Source code of Windows XP (NT5)
You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
 
 
 
 
 
 

107 lines
2.7 KiB

//-----------------------------------------------------------------------------
// File: fpipe.h
//
// Desc: Flexy pipe stuff
//
// Copyright (c) 1994-2000 Microsoft Corporation
//-----------------------------------------------------------------------------
#ifndef __fpipe_h__
#define __fpipe_h__
// continuity types
enum
{
CONT_1 = 0,
CONT_2
};
// cap types
enum
{
START_CAP = 0,
END_CAP
};
#define CIRCUMFERENCE( r ) ( 2.0f * PI * ((float) r) )
// drawing schemes
enum
{
SC_EXTRUDED_XC,
SC_TURNOMANIA,
SC_VARIABLE_XC,
SC_COUNT
};
#define TURNOMANIA_PIPE_COUNT 10
//-----------------------------------------------------------------------------
// Name: FLEX_PIPE class
// Desc: - Pipe has position and direction in node array
//-----------------------------------------------------------------------------
class FLEX_PIPE : public PIPE
{
public:
void SetTexParams( TEXTUREINFO *pTex, IPOINT2D *pTexRep );
protected:
XC* m_xcCur; // current xc, end xc
XC* m_xcEnd;
EVAL* m_pEval;
float m_zTrans; // pos'n of pipe back along current dir,
// from current node
FLEX_PIPE( STATE *state );
~FLEX_PIPE();
void ChooseXCProfile();
void DrawExtrudedXCObject( float length );
void DrawXCElbow( int newDir, float radius );
void DrawCap( int type );
private:
int m_nSlices; // intended # of slices around an xc (based on tessLevel)
int m_tangent; // current tangent at curXC (usually PLUS_Z)
float m_sStart, m_sEnd;
float m_tStart, m_tEnd;
float m_sLength; // length in WC's of texture width
float m_evalDivSize; // ~size in WC's of an eval division
void CalcEvalLengthParams( float length );
};
//-----------------------------------------------------------------------------
// Name: REGULAR_FLEX_PIPE class
// Desc:
//-----------------------------------------------------------------------------
class REGULAR_FLEX_PIPE : public FLEX_PIPE
{
public:
float m_turnFactorMin; // describes degree of bend in an elbow
float m_turnFactorMax; // [0-1]
REGULAR_FLEX_PIPE( STATE *state );
virtual void Start();
virtual void Draw();
};
//-----------------------------------------------------------------------------
// Name: TURNING_FLEX_PIPE class
// Desc:
//-----------------------------------------------------------------------------
class TURNING_FLEX_PIPE : public FLEX_PIPE
{
public:
TURNING_FLEX_PIPE( STATE *state );
virtual void Start();
virtual void Draw();
};
#endif // __fpipe_h__