98 lines
2.3 KiB
C
98 lines
2.3 KiB
C
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/******************************Module*Header*******************************\
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* Module Name: fpipe.h
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*
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* Flexy pipe stuff
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*
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* Copyright (c) 1995 Microsoft Corporation
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*
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\**************************************************************************/
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#ifndef __fpipe_h__
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#define __fpipe_h__
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#include "sscommon.h"
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#include "sspipes.h"
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#include "pipe.h"
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#include "state.h"
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#include "eval.h"
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#include "xc.h"
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// continuity types
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enum {
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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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START_CAP = 0,
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END_CAP
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};
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#define CIRCUMFERENCE( r ) \
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( 2.0f * PI * ((GLfloat) r) )
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// drawing schemes
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enum {
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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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*
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* FLEX_PIPE class
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*
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* - Pipe has position and direction in node array
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*
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\**************************************************************************/
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class FLEX_PIPE : public PIPE {
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public:
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void SetTexParams( TEXTURE *pTex, IPOINT2D *pTexRep );
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protected:
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XC *xcCur, *xcEnd; // current xc, end xc
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EVAL *pEval;
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GLfloat 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 nSlices; // intended # of slices around an xc (based
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// on tessLevel)
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int tangent; // current tangent at curXC (usually PLUS_Z)
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GLfloat s_start, s_end;
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GLfloat t_start, t_end;
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GLfloat s_length; // length in WC's of texture width
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GLfloat 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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class REGULAR_FLEX_PIPE : public FLEX_PIPE {
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public:
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float turnFactorMin; // describes degree of bend in an elbow
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float turnFactorMax; // [0-1]
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REGULAR_FLEX_PIPE( STATE *state );
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void Start();
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void Draw();
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};
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class TURNING_FLEX_PIPE : public FLEX_PIPE {
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public:
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TURNING_FLEX_PIPE( STATE *state );
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void Start();
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void Draw();
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};
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#endif // __fpipe_h__
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