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