OutRun/src/include/circuit.h

#include <vector>
#include "../fixed.h"

enum Length
{
    L_VERYSHORT = 50,
    L_SHORT     = 100,
    L_MEDIUM    = 200,
    L_LONG      = 400,
    L_VERYLONG  = 1000
};

enum HillSize
{
    H_VERYSMALL  = 20,
    H_SMALL  = 40,
    H_MEDIUM = 60,
    H_BIG    = 80,
    H_VERYBIG = 100
};

enum HillType
{
    UP_HILL = +1,
    DOWN_HILL = -1
};

enum CurveStrength
{
    C_VERYEASY = 2,
    C_EASY   = 4,
    C_MEDIUM = 6,
    C_HARD   = 8,
    C_VERYHARD = 10
};

enum CurveType
{
    LEFT_CURVE = -1,
    RIGHT_CURVE = +1
};

enum Decoration
{
    PALMTREE = 0,
    DEADTREE = 1,
    OAKTREE = 2,
    CACTUS = 3,
    BIGLEAF = 4,
    SMALLLEAF = 5,
    LEFTTURN = 6,
    RIGHTTURN = 7,
    UPHILL = 8,
    DOWNHILL = 9
};

void initData( void );
void createCircuit( void );
void putBillBoards( void );
void createClouds( void );
void createTraffic( void );

void projectCircuitFP( void );
void projectCircuitFP( uint16_t index );

void updateTraffic( float dt );

void printCircuit( void );
void printCircuit( int i );

void drawCircuitSegment( uint16_t index );
void drawDecoration( uint16_t index );
void drawTraffic( uint16_t index );
void drawClouds( int offset );
void drawFarBackground( int offset );
void drawNearBackground( int offset );

void freeDecoration( void );
void prepareDecoration( void );

void freeTraffic( void );
void prepareTraffic( void );

void addStraightLine( Length l, int8_t biome );
void addCurve( Length l, CurveStrength s, CurveType t, int8_t biome );
void addHill( Length l, HillSize s, HillType t, int8_t biome );
void addCurvyHill( Length l, HillSize s, HillType t, CurveStrength cs, CurveType ct, int8_t biome );

fixed_t interpolatePositionX( double currentZ );
fixed_t interpolatePositionY( double currentZ );
uint16_t findIndex( double currentZ );