/*
===================
CM_SetBorderInward
===================
*/
static void CM_SetBorderInward(cFacet_t* facet, cTriangleSoup_t* triSoup, int i, int which) {
int k, l;
float* points[4];
int numPoints;
switch (which) {
case 0:
points[0] = triSoup->points[i][0];
points[1] = triSoup->points[i][1];
points[2] = triSoup->points[i][2];
numPoints = 3;
break;
case 1:
points[0] = triSoup->points[i][2];
points[1] = triSoup->points[i][1];
points[2] = triSoup->points[i][0];
numPoints = 3;
break;
default:
Sys::Error("CM_SetBorderInward: bad parameter %i", which);
}
for (k = 0; k < facet->numBorders; k++) {
int front, back;
front = 0;
back = 0;
for (l = 0; l < numPoints; l++) {
int side;
side = CM_PointOnPlaneSide(points[l], facet->borderPlanes[k]);
if (side == SIDE_FRONT) {
front++;
}
if (side == SIDE_BACK) {
back++;
}
}
if (front && !back) {
facet->borderInward[k] = true;
} else if (back && !front) {
facet->borderInward[k] = false;
} else if (!front && !back) {
// flat side border
facet->borderPlanes[k] = -1;
} else {
// bisecting side border
cmLog.Debug("WARNING: CM_SetBorderInward: mixed plane sides\n");
facet->borderInward[k] = false;
}
}
}
/*
===================
CM_SetBorderInward
===================
*/
static void CM_SetBorderInward( cfacet_t *facet, cTriangleSoup_t *triSoup, int i, int which )
{
float *points[4];
int k, l, numPoints;
switch( which )
{
case 0:
points[0] = triSoup->points[i][0];
points[1] = triSoup->points[i][1];
points[2] = triSoup->points[i][2];
numPoints = 3;
break;
case 1:
points[0] = triSoup->points[i][2];
points[1] = triSoup->points[i][1];
points[2] = triSoup->points[i][0];
numPoints = 3;
break;
default:
Host_Error( "CM_SetBorderInward: bad parameter %i\n", which );
numPoints = 0;
break;
}
for( k = 0; k < facet->numBorders; k++ )
{
int front, back;
front = 0;
back = 0;
for( l = 0; l < numPoints; l++ )
{
int side;
side = CM_PointOnPlaneSide( points[l], facet->borderPlanes[k] );
if( side == SIDE_FRONT ) front++;
if( side == SIDE_BACK ) back++;
}
if( front && !back ) facet->borderInward[k] = true;
else if( back && !front ) facet->borderInward[k] = false;
else if( !front && !back ) facet->borderPlanes[k] = -1; // flat side border
else
{
// bisecting side border
MsgDev( D_WARN, "CM_SetBorderInward: mixed plane sides\n" );
facet->borderInward[k] = false;
}
}
}
/*
===================
CM_SetBorderInward
===================
*/
static void CM_SetBorderInward( facet_t *facet, cGrid_t *grid, int gridPlanes[MAX_GRID_SIZE][MAX_GRID_SIZE][2],
int i, int j, int which ) {
int k, l;
float *points[4];
int numPoints;
switch ( which ) {
case - 1:
points[0] = grid->points[i][j];
points[1] = grid->points[i + 1][j];
points[2] = grid->points[i + 1][j + 1];
points[3] = grid->points[i][j + 1];
numPoints = 4;
break;
case 0:
points[0] = grid->points[i][j];
points[1] = grid->points[i + 1][j];
points[2] = grid->points[i + 1][j + 1];
numPoints = 3;
break;
case 1:
points[0] = grid->points[i + 1][j + 1];
points[1] = grid->points[i][j + 1];
points[2] = grid->points[i][j];
numPoints = 3;
break;
default:
Com_Error( ERR_FATAL, "CM_SetBorderInward: bad parameter" );
numPoints = 0;
break;
}
for ( k = 0 ; k < facet->numBorders ; k++ ) {
int front, back;
front = 0;
back = 0;
for ( l = 0 ; l < numPoints ; l++ ) {
int side;
side = CM_PointOnPlaneSide( points[l], facet->borderPlanes[k] );
if ( side == SIDE_FRONT ) {
front++;
}
if ( side == SIDE_BACK ) {
back++;
}
}
if ( front && !back ) {
facet->borderInward[k] = qtrue;
} else if ( back && !front ) {
facet->borderInward[k] = qfalse;
} else if ( !front && !back ) {
// flat side border
facet->borderPlanes[k] = -1;
} else {
// bisecting side border
Com_DPrintf( "WARNING: CM_SetBorderInward: mixed plane sides\n" );
facet->borderInward[k] = qfalse;
if ( !debugBlock ) {
debugBlock = qtrue;
VectorCopy( grid->points[i][j], debugBlockPoints[0] );
VectorCopy( grid->points[i + 1][j], debugBlockPoints[1] );
VectorCopy( grid->points[i + 1][j + 1], debugBlockPoints[2] );
VectorCopy( grid->points[i][j + 1], debugBlockPoints[3] );
}
}
}
}
