//////////////////////////////////////////////////////////
// TMapDC
// ------
// draw a LineDef
void TMapDC::DrawMapLineDefLen (int editmode, SHORT ldnum)
{
assert_ldnum (ldnum);
// Use interm. vars. to accelarate
LineDef *pLD = &LineDefs[ldnum];
SHORT start = pLD->start;
SHORT end = pLD->end;
assert_vnum (start);
assert_vnum (end);
Vertex *pVStart = &Vertexes[start];
Vertex *pVEnd = &Vertexes[end];
SHORT x0 = pVStart->x;
SHORT y0 = pVStart->y;
SHORT x1 = pVEnd->x;
SHORT y1 = pVEnd->y;
#ifndef WINDOWS_CLIPPING
if ( ! IS_VISIBLE_MAP_RECT(x0,y0,x1,y1) )
return;
#endif
// Get the LineDef color
int color = GetLineDefColor(editmode, ldnum);
// Draw the Length
DrawLineDefLen (x0, y0, x1, y1, color);
}
//////////////////////////////////////////////////////////
// TMapDC
// ------
// Return a LineDef color
int TMapDC::GetLineDefColor (int editmode, SHORT ldnum)
{
assert_ldnum (ldnum);
int color = 0;
SHORT m;
Sector *pSector;
// Use interm. vars. to accelarate
LineDef *pLD = &LineDefs[ldnum];
// Select pen color
switch (editmode)
{
case OBJ_THINGS:
case OBJ_LINEDEFS:
case OBJ_VERTEXES:
if ((pLD->blak_flags & BF_POS_PASSABLE) &&
(pLD->blak_flags & BF_NEG_PASSABLE))
color = MAGENTA;
else color = LIGHTGRAY;
break;
case OBJ_SECTORS:
if ((m = pLD->sidedef1) < 0 ||
(m = SideDefs[m].sector) < 0 )
{
color = LIGHTRED;
}
else
{
pSector = &Sectors[m];
if (pSector->tag > 0) color = LIGHTGREEN;
else if (pSector->special > 0) color = LIGHTCYAN;
else if (pLD->flags & 1) color = WHITE;
else color = LIGHTGRAY;
if ((m = pLD->sidedef2) >= 0)
{
m = SideDefs[m].sector;
if (m < 0) color = LIGHTRED;
else
{
pSector = &Sectors[m];
if (pSector->tag > 0) color = LIGHTGREEN;
else if (pSector->special > 0) color = LIGHTCYAN;
}
}
}
break;
}
return color;
}
//////////////////////////////////////////////////////////
// TMapDC
// ------
// draw a LineDef
void TMapDC::DrawMapLineDef (int editmode, SHORT ldnum, BOOL DrawLen)
{
assert_ldnum (ldnum);
// Use interm. vars. to accelarate
LineDef HUGE *pLD = &LineDefs[ldnum];
SHORT start = pLD->start;
SHORT end = pLD->end;
assert_vnum (start);
assert_vnum (end);
Vertex HUGE *pVStart = &Vertexes[start];
Vertex HUGE *pVEnd = &Vertexes[end];
SHORT x0 = pVStart->x;
SHORT y0 = pVStart->y;
SHORT x1 = pVEnd->x;
SHORT y1 = pVEnd->y;
#ifndef WINDOWS_CLIPPING
if ( ! IS_VISIBLE_MAP_RECT(x0, y0, x1, y1) )
return;
#endif
// Set the LineDef color
int color = GetLineDefColor(editmode, ldnum);
SetPenColor16(color);
// Draw the LineDef
if ( editmode == OBJ_VERTEXES )
DrawMapVector(x0, y0, x1, y1);
else
DrawMapLine(x0, y0, x1, y1);
// Draw the Length
if ( DrawLen )
DrawLineDefLen(x0, y0, x1, y1, color);
}