/* The mouse click did not hit the brush, so grab one or more side
planes for dragging
*/
void Brush_SideSelect(brush_t *b,vec3_t origin,vec3_t dir,bool shear)
{
face_t *f, *f2;
vec3_t p1, p2;
for(f = b->brush_faces; f; f = f->next)
{
Math_VectorCopy(origin,p1);
Math_VectorMA(origin,16384,dir,p2);
for (f2=b->brush_faces ; f2 ; f2=f2->next)
{
if (f2 == f)
continue;
Brush_ClipLineToFace(p1,p2,f2);
}
if(f2)
continue;
if(Math_VectorCompare(p1,origin))
continue;
if(Brush_ClipLineToFace(p1,p2,f))
continue;
Brush_SelectFaceForDragging (b, f, shear);
}
}
/*
================
Draw_Setup
================
*/
static void Drag_Setup( int x, int y, int buttons,
const idVec3 &xaxis, const idVec3 &yaxis, const idVec3 &origin, const idVec3 &dir ) {
qertrace_t t;
face_t *f;
drag_first = true;
VectorCopy(vec3_origin, pressdelta);
pressx = x;
pressy = y;
VectorCopy(xaxis, drag_xvec);
AxializeVector(drag_xvec);
VectorCopy(yaxis, drag_yvec);
AxializeVector(drag_yvec);
if (g_qeglobals.d_select_mode == sel_addpoint) {
if (g_qeglobals.selectObject) {
g_qeglobals.selectObject->addPoint(origin);
}
else {
g_qeglobals.d_select_mode = sel_brush;
}
return;
}
if (g_qeglobals.d_select_mode == sel_editpoint) {
g_Inspectors->entityDlg.SelectCurvePointByRay( origin, dir, buttons );
if ( g_qeglobals.d_num_move_points ) {
drag_ok = true;
}
Sys_UpdateWindows(W_ALL);
return;
}
if (g_qeglobals.d_select_mode == sel_curvepoint) {
SelectCurvePointByRay(origin, dir, buttons);
if (g_qeglobals.d_num_move_points || g_qeglobals.d_select_mode == sel_area) {
drag_ok = true;
}
Sys_UpdateWindows(W_ALL);
Undo_Start("drag curve point");
Undo_AddBrushList(&selected_brushes);
return;
}
else {
g_qeglobals.d_num_move_points = 0;
}
if (selected_brushes.next == &selected_brushes) {
//
// in this case a new brush is created when the dragging takes place in the XYWnd,
// An useless undo is created when the dragging takes place in the CamWnd
//
Undo_Start("create brush");
Sys_Status("No selection to drag\n", 0);
return;
}
if (g_qeglobals.d_select_mode == sel_vertex) {
if ( radiant_entityMode.GetBool() ) {
return;
}
SelectVertexByRay(origin, dir);
if (g_qeglobals.d_num_move_points) {
drag_ok = true;
Undo_Start("drag vertex");
Undo_AddBrushList(&selected_brushes);
return;
}
}
if (g_qeglobals.d_select_mode == sel_edge) {
if ( radiant_entityMode.GetBool() ) {
return;
}
SelectEdgeByRay(origin, dir);
if (g_qeglobals.d_num_move_points) {
drag_ok = true;
Undo_Start("drag edge");
Undo_AddBrushList(&selected_brushes);
return;
}
}
// check for direct hit first
t = Test_Ray(origin, dir, true);
SetActiveDrag(t.point);
if (t.point) {
drag_ok = true;
// point was hit
return;
}
if (t.selected) {
drag_ok = true;
Undo_Start("drag selection");
Undo_AddBrushList(&selected_brushes);
if (buttons == (MK_LBUTTON | MK_CONTROL)) {
Sys_Status("Shear dragging face\n");
Brush_SelectFaceForDragging(t.brush, t.face, true);
}
else if (buttons == (MK_LBUTTON | MK_CONTROL | MK_SHIFT)) {
Sys_Status("Sticky dragging brush\n");
for (f = t.brush->brush_faces; f; f = f->next) {
Brush_SelectFaceForDragging(t.brush, f, false);
}
}
else {
Sys_Status("Dragging entire selection\n");
}
return;
}
if (g_qeglobals.d_select_mode == sel_vertex || g_qeglobals.d_select_mode == sel_edge) {
return;
}
if ( radiant_entityMode.GetBool() ) {
return;
}
// check for side hit multiple brushes selected?
if (selected_brushes.next->next != &selected_brushes) {
// yes, special handling
bool bOK = ( g_PrefsDlg.m_bALTEdge ) ? ( ::GetAsyncKeyState( VK_MENU ) != 0 ) : true;
if (bOK) {
for (brush_t * pBrush = selected_brushes.next; pBrush != &selected_brushes; pBrush = pBrush->next) {
if (buttons & MK_CONTROL) {
Brush_SideSelect(pBrush, origin, dir, true);
}
else {
Brush_SideSelect(pBrush, origin, dir, false);
}
}
}
else {
Sys_Status("press ALT to drag multiple edges\n");
return;
}
}
else {
// single select.. trying to drag fixed entities handle themselves and just move
if (buttons & MK_CONTROL) {
Brush_SideSelect(selected_brushes.next, origin, dir, true);
}
else {
Brush_SideSelect(selected_brushes.next, origin, dir, false);
}
}
Sys_Status("Side stretch\n");
drag_ok = true;
Undo_Start("side stretch");
Undo_AddBrushList(&selected_brushes);
}
/* Adds the faces planepts to move_points, and
rotates and adds the planepts of adjacent face if shear is set
*/
void Brush_SelectFaceForDragging (brush_t *b, face_t *f, bool shear)
{
int i;
face_t *f2;
winding_t *w;
float d;
brush_t *b2;
int c;
if(b->owner->eclass->fixedsize)
return;
c = 0;
for (i=0 ; i<3 ; i++)
c += AddPlanept (f->planepts[i]);
if (c == 0)
return; // allready completely added
// select all points on this plane in all brushes the selection
for(b2 = selected_brushes.next; b2 != &selected_brushes; b2 = b2->next)
{
if (b2 == b)
continue;
for (f2=b2->brush_faces ; f2 ; f2=f2->next)
{
for (i=0 ; i<3 ; i++)
if(fabs(Math_DotProduct(f2->planepts[i],f->plane.normal)
-f->plane.dist) > ON_EPSILON)
break;
if(i == 3)
{
// move this face as well
Brush_SelectFaceForDragging(b2, f2, shear);
break;
}
}
}
// if shearing, take all the planes adjacent to
// selected faces and rotate their points so the
// edge clipped by a selcted face has two of the points
if(!shear)
return;
for (f2=b->brush_faces ; f2 ; f2=f2->next)
{
if (f2 == f)
continue;
w = MakeFaceWinding (b, f2);
if (!w)
continue;
// any points on f will become new control points
for (i=0 ; i<w->numpoints ; i++)
{
d = Math_DotProduct(w->points[i],f->plane.normal)-f->plane.dist;
if (d > -ON_EPSILON && d < ON_EPSILON)
break;
}
//
// if none of the points were on the plane,
// leave it alone
//
if (i != w->numpoints)
{
if (i == 0)
{
// see if the first clockwise point was the
// last point on the winding
d = Math_DotProduct(w->points[w->numpoints-1],f->plane.normal)-f->plane.dist;
if (d > -ON_EPSILON && d < ON_EPSILON)
i = w->numpoints - 1;
}
AddPlanept (f2->planepts[0]);
Math_VectorCopy(w->points[i],f2->planepts[0]);
if (++i == w->numpoints)
i = 0;
// see if the next point is also on the plane
d = Math_DotProduct(w->points[i]
, f->plane.normal) - f->plane.dist;
if (d > -ON_EPSILON && d < ON_EPSILON)
AddPlanept (f2->planepts[1]);
Math_VectorCopy(w->points[i],f2->planepts[1]);
if (++i == w->numpoints)
i = 0;
// the third point is never on the plane
Math_VectorCopy(w->points[i],f2->planepts[2]);
}
free(w);
}
}
// if (GetKeyState(VK_MENU) & 0x8000) // ALT
void Drag_Setup (int x, int y, int buttons,
vec3_t xaxis, vec3_t yaxis,
vec3_t origin, vec3_t dir)
{
trace_t t;
face_t *f;
drag_first = true;
VectorCopy (vec3_origin, pressdelta);
pressx = x;
pressy = y;
VectorCopy (xaxis, drag_xvec);
AxializeVector (drag_xvec);
VectorCopy (yaxis, drag_yvec);
AxializeVector (drag_yvec);
//Sys_Printf ("Enter Drag_Setup()\n");
extern void SelectCurvePointByRay (vec3_t org, vec3_t dir, int buttons);
if (g_qeglobals.d_select_mode == sel_curvepoint)
{
//if ((buttons == MK_LBUTTON))
// g_qeglobals.d_num_move_points = 0;
SelectCurvePointByRay (origin, dir, buttons);
if (g_qeglobals.d_num_move_points || g_qeglobals.d_select_mode == sel_area)
{
drag_ok = true;
}
Sys_UpdateWindows(W_ALL);
Undo_Start("drag curve point");
Undo_AddBrushList(&selected_brushes);
return;
}
else
{
g_qeglobals.d_num_move_points = 0;
}
if (selected_brushes.next == &selected_brushes)
{
//in this case a new brush is created when the dragging
//takes place in the XYWnd, An useless undo is created
//when the dragging takes place in the CamWnd
Undo_Start("create brush");
Sys_Status("No selection to drag\n", 0);
return;
}
if (g_qeglobals.d_select_mode == sel_vertex)
{
SelectVertexByRay (origin, dir);
if (g_qeglobals.d_num_move_points)
{
drag_ok = true;
Undo_Start("drag vertex");
Undo_AddBrushList(&selected_brushes);
return;
}
}
if (g_qeglobals.d_select_mode == sel_edge)
{
SelectEdgeByRay (origin, dir);
if (g_qeglobals.d_num_move_points)
{
drag_ok = true;
Undo_Start("drag edge");
Undo_AddBrushList(&selected_brushes);
return;
}
}
//Sys_Printf ("Beyond Component modifying\n");
//
// check for direct hit first
//
t = Test_Ray (origin, dir, true);
if (t.selected)
{
drag_ok = true;
Undo_Start("drag selection");
Undo_AddBrushList(&selected_brushes);
if (buttons == (MK_LBUTTON|MK_CONTROL) )
{
Sys_Printf ("Shear dragging face\n");
Brush_SelectFaceForDragging (t.brush, t.face, true);
}
else if (buttons == (MK_LBUTTON|MK_CONTROL|MK_SHIFT) )
{
Sys_Printf ("Sticky dragging brush\n");
for (f=t.brush->brush_faces ; f ; f=f->next)
Brush_SelectFaceForDragging (t.brush, f, false);
}
else
Sys_Printf ("Dragging entire selection\n");
return;
}
if (g_qeglobals.d_select_mode == sel_vertex || g_qeglobals.d_select_mode == sel_edge)
return;
//
// check for side hit
//
// multiple brushes selected?
if (selected_brushes.next->next != &selected_brushes)
{
// yes, special handling
bool bOK = (g_PrefsDlg.m_bALTEdge) ? (static_cast<bool>(::GetAsyncKeyState(VK_MENU))) : true;
if (bOK)
{
//Sys_Printf ("ALT Down\n");
for (brush_t* pBrush = selected_brushes.next ; pBrush != &selected_brushes ; pBrush = pBrush->next)
{
//Sys_Printf ("ALT Down 2\n");
if (buttons & MK_CONTROL)
Brush_SideSelect (pBrush, origin, dir, true);
else
Brush_SideSelect (pBrush, origin, dir, false);
}
}
else
{
Sys_Printf ("press ALT to drag multiple edges\n");
return;
}
}
else
{
//Sys_Printf ("Unknown\n");
// single select.. trying to drag fixed entities handle themselves and just move
if (buttons & MK_CONTROL)
Brush_SideSelect (selected_brushes.next, origin, dir, true);
else
Brush_SideSelect (selected_brushes.next, origin, dir, false);
}
Sys_Printf ("Side stretch\n");
drag_ok = true;
Undo_Start("side stretch");
Undo_AddBrushList(&selected_brushes);
}
