void Terrain_SelectPointByRay( vec3_t org, vec3_t dir, int buttons ) {
float bestd;
terrainFace_t *face;
terrainFace_t *bestface;
brush_t *pb;
float dist;
vec3_t vec;
// find the point closest to the ray
bestface = NULL;
bestd = WORLD_SIZE * 4;
for( pb = selected_brushes.next; pb != &selected_brushes; pb = pb->next ) {
if ( pb->terrainBrush ) {
face = Terrain_Ray( org, dir, pb, &dist );
if ( face && ( dist < bestd ) ) {
bestface = face;
bestd = dist;
}
}
}
for( pb = active_brushes .next; pb != &active_brushes; pb = pb->next ) {
if ( pb->terrainBrush ) {
face = Terrain_Ray( org, dir, pb, &dist );
if ( face && ( dist < bestd ) ) {
bestface = face;
bestd = dist;
}
}
}
if ( !bestface ) {
return;
}
VectorMA( org, bestd, dir, vec );
Terrain_AddMovePoint( vec, buttons & MK_CONTROL, buttons & MK_SHIFT, buttons );
}
void CCamWnd::Cam_ChangeFloor (qboolean up)
{
brush_t *b;
float d, bestd, current;
vec3_t start, dir;
start[0] = m_Camera.origin[0];
start[1] = m_Camera.origin[1];
start[2] = 8192;
dir[0] = dir[1] = 0;
dir[2] = -1;
current = 8192 - (m_Camera.origin[2] - 48);
if (up)
bestd = 0;
else
bestd = 16384;
for (b=active_brushes.next ; b != &active_brushes ; b=b->next)
{
if ( b->pTerrain && !Terrain_Ray( start, dir, b, &d ) )
continue;
if ( !b->pTerrain && !Brush_Ray (start, dir, b, &d) )
continue;
if (up && d < current && d > bestd)
bestd = d;
if (!up && d > current && d < bestd)
bestd = d;
}
if (bestd == 0 || bestd == 16384)
return;
m_Camera.origin[2] += current - bestd;
Sys_UpdateWindows (W_CAMERA|W_Z_OVERLAY);
}
trace_t Test_Ray (vec3_t origin, vec3_t dir, int flags)
{
brush_t *brush;
face_t *face;
float dist;
trace_t t;
memset (&t, 0, sizeof(t));
t.dist = DIST_START;
if (flags & SF_CYCLE)
{
CPtrArray array;
brush_t *pToSelect = (selected_brushes.next != &selected_brushes) ? selected_brushes.next : NULL;
Select_Deselect();
// go through active brushes and accumulate all "hit" brushes
for (brush = active_brushes.next ; brush != &active_brushes ; brush=brush->next)
{
//if ( (flags & SF_ENTITIES_FIRST) && brush->owner == world_entity)
// continue;
if (FilterBrush (brush))
continue;
if (!g_PrefsDlg.m_bSelectCurves && brush->patchBrush)
continue;
if( !g_PrefsDlg.m_bSelectTerrain && brush->terrainBrush )
continue;
//if (!g_bShowPatchBounds && brush->patchBrush)
// continue;
face = Brush_Ray (origin, dir, brush, &dist);
if (face)
{
if ( brush->terrainBrush )
{
Terrain_Ray( origin, dir, brush, &dist );
if( dist == 0 )
{
// didn't actually hit the terrain
continue;
}
}
array.Add(brush);
}
}
int nSize = array.GetSize();
if (nSize > 0)
{
bool bFound = false;
for (int i = 0; i < nSize; i++)
{
brush_t *b = reinterpret_cast<brush_t*>(array.GetAt(i));
// did we hit the last one selected yet ?
if (b == pToSelect)
{
// yes we want to select the next one in the list
int n = (i > 0) ? i-1 : nSize-1;
pToSelect = reinterpret_cast<brush_t*>(array.GetAt(n));
bFound = true;
break;
}
}
if (!bFound)
pToSelect = reinterpret_cast<brush_t*>(array.GetAt(0));
}
if (pToSelect)
{
face = Brush_Ray (origin, dir, pToSelect, &dist);
if ( pToSelect->terrainBrush )
{
t.terraface = Terrain_Ray( origin, dir, pToSelect, &dist );
}
t.dist = dist;
t.brush = pToSelect;
t.face = face;
t.selected = false;
return t;
}
}
if (! (flags & SF_SELECTED_ONLY) )
{
for (brush = active_brushes.next ; brush != &active_brushes ; brush=brush->next)
{
if ( (flags & SF_ENTITIES_FIRST) && brush->owner == world_entity)
continue;
if (FilterBrush (brush))
continue;
if (!g_PrefsDlg.m_bSelectCurves && brush->patchBrush)
continue;
if( !g_PrefsDlg.m_bSelectTerrain && brush->terrainBrush )
continue;
//if (!g_bShowPatchBounds && brush->patchBrush)
// continue;
face = Brush_Ray (origin, dir, brush, &dist);
if ( face ) {
if ( brush->terrainBrush )
{
t.terraface = Terrain_Ray( origin, dir, brush, &dist );
}
}
if (dist > 0 && dist < t.dist)
{
t.dist = dist;
t.brush = brush;
t.face = face;
t.selected = false;
}
}
}
for (brush = selected_brushes.next ; brush != &selected_brushes ; brush=brush->next)
{
if ( (flags & SF_ENTITIES_FIRST) && brush->owner == world_entity)
continue;
if (FilterBrush (brush))
continue;
if (!g_PrefsDlg.m_bSelectCurves && brush->patchBrush)
continue;
if( !g_PrefsDlg.m_bSelectTerrain && brush->terrainBrush )
continue;
face = Brush_Ray (origin, dir, brush, &dist);
if ( face ) {
if ( brush->terrainBrush )
{
t.terraface = Terrain_Ray( origin, dir, brush, &dist );
}
}
if (dist > 0 && dist < t.dist)
{
t.dist = dist;
t.brush = brush;
t.face = face;
t.selected = true;
}
}
// if entites first, but didn't find any, check regular
if ( (flags & SF_ENTITIES_FIRST) && t.brush == NULL)
return Test_Ray (origin, dir, flags - SF_ENTITIES_FIRST);
return t;
}
