int EnumMarkerRegionById(ReaProject* _proj, int _id, bool* _isrgn, double* _pos, double* _end, const char** _name, int* _num, int* _color)
{
if (_id > 0)
{
const char* name2;
double pos2, end2;
bool isrgn = IsRegion(_id), isrgn2;
int num=(_id&0x3FFFFFFF), x=0, lastx=0, num2, col2;
while ((x = EnumProjectMarkers3(_proj, x, &isrgn2, &pos2, &end2, &name2, &num2, &col2)))
{
if (num == num2 && isrgn == isrgn2)
{
if (_isrgn) *_isrgn = isrgn2;
if (_pos) *_pos = pos2;
if (_end) *_end = end2;
if (_name) *_name = name2;
if (_num) *_num = num2;
if (_color) *_color = col2;
return lastx;
}
lastx=x;
}
}
return -1;
}
int GetMarkerRegionIndexFromId(ReaProject* _proj, int _id)
{
if (_id > 0)
{
int x=0, lastx=0, num=(_id&0x3FFFFFFF), num2;
bool isrgn = IsRegion(_id), isrgn2;
while ((x = EnumProjectMarkers3(_proj, x, &isrgn2, NULL, NULL, NULL, &num2, NULL))) {
if (num == num2 && isrgn == isrgn2)
return lastx;
lastx=x;
}
}
return -1;
}
bool Location::CheckWithinBounds(iEngine* engine,const csVector3 &p,const iSector* sector)
{
if(!IsRegion())
return false;
if(GetSector(engine) != sector)
return false;
// Thanks to http://astronomy.swin.edu.au/~pbourke/geometry/insidepoly/
// for this example code.
int counter = 0;
size_t i,N=locs.GetSize();
float xinters;
csVector3 p1,p2;
p1 = locs[0]->pos;
for(i=1; i<=N; i++)
{
p2 = locs[i % N]->pos;
if(p.z > csMin(p1.z,p2.z))
{
if(p.z <= csMax(p1.z,p2.z))
{
if(p.x <= csMax(p1.x,p2.x))
{
if(p1.z != p2.z)
{
xinters = (p.z-p1.z)*(p2.x-p1.x)/(p2.z-p1.z)+p1.x;
if(p1.x == p2.x || p.x <= xinters)
counter++;
}
}
}
}
p1 = p2;
}
return (counter % 2 != 0);
}
