Update of /cvsroot/wpdev/wolfpack
In directory sc8-pr-cvs1:/tmp/cvs-serv20850
Added Files:
line.cpp line.h
Log Message:
Copied a handy class from NowWizard...
Calculates the Coordinates *between* two coordinates (including the raising or falling z level). Handy for Line of Sight.
--- NEW FILE: line.cpp ---
/*!
This code has been taken from NoxWizard's map.cpp/map.h
*/
#include "line.h"
#include "coord.h"
cLine::cLine( const Coord_cl &A, const Coord_cl &B )
{
m_xDist = (short)( A.x - B.x );
m_yDist = (short)( A.y - B.y );
m_zDist = (short)( A.z - B.z );
x1 = A.x;
y1 = A.y;
z1 = A.z;
map = A.map;
}
char cLine::calcZAtX( unsigned short x )
{
char z;
z = (char)( ( (float)( ( (short)(x - x1) * m_zDist ) + (z1 * m_xDist) ) / (float)( m_xDist ) ) + 0.5);
return z;
}
Coord_cl cLine::getPosAtX( unsigned short x )
{
Coord_cl pos( x, 0, 0, map );
pos.y = (unsigned short)( ( (float)( ( (short)(x - x1) * m_yDist ) + ( (short)(y1) * m_xDist) ) / (float)( m_xDist ) ) + 0.5);
pos.z = calcZAtX( pos.x );
return pos;
}
Coord_cl cLine::getPosAtY( unsigned short y )
{
Coord_cl pos( 0, y, 0, map );
pos.x = (unsigned short)( ( (float)( ( (short)(y - y1) * m_xDist ) + ( (short)(x1) * m_yDist) ) / (float)( m_yDist ) ) + 0.5);
pos.z = calcZAtX( pos.x );
return pos;
}
--- NEW FILE: line.h ---
/*
This code has been readapted from NoxWizard
*/
#if !defined( __LINE_H__ )
#define __LINE_H__
class Coord_cl;
class cLine
{
public:
cLine( const Coord_cl &A, const Coord_cl &B );
Coord_cl getPosAtX( unsigned short x );
Coord_cl getPosAtY( unsigned short y );
char calcZAtX( unsigned short x );
private:
unsigned short x1, y1;
char z1;
unsigned char map;
unsigned short m_xDist, m_yDist, m_zDist;
};
#endif
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