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/*
===========================================================================
Copyright (C) 1997-2006 Id Software, Inc.
This file is part of Quake 2 Tools source code.
Quake 2 Tools source code is free software; you can redistribute it
and/or modify it under the terms of the GNU General Public License as
published by the Free Software Foundation; either version 2 of the License,
or (at your option) any later version.
Quake 2 Tools source code is distributed in the hope that it will be
useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with Quake 2 Tools source code; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
===========================================================================
*/
// select.c
#include "qe3.h"
/*
===========
Test_Ray
===========
*/
#define DIST_START 999999
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_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;
face = Brush_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;
face = Brush_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;
}
/*
============
Select_Brush
============
*/
void Select_Brush (brush_t *brush)
{
brush_t *b;
entity_t *e;
selected_face = NULL;
if (g_qeglobals.d_select_count < 2)
g_qeglobals.d_select_order[g_qeglobals.d_select_count] = brush;
g_qeglobals.d_select_count++;
e = brush->owner;
if (e)
{
// select complete entity on first click
if (e != world_entity)
{
for (b=selected_brushes.next ; b != &selected_brushes ; b=b->next)
if (b->owner == e)
goto singleselect;
for (b=e->brushes.onext ; b != &e->brushes ; b=b->onext)
{
Brush_RemoveFromList (b);
Brush_AddToList (b, &selected_brushes);
}
}
else
{
singleselect:
Brush_RemoveFromList (brush);
Brush_AddToList (brush, &selected_brushes);
}
if (e->eclass)
{
UpdateEntitySel(brush->owner->eclass);
}
}
}
/*
============
Select_Ray
If the origin is inside a brush, that brush will be ignored.
============
*/
void Select_Ray (vec3_t origin, vec3_t dir, int flags)
{
trace_t t;
t = Test_Ray (origin, dir, flags);
if (!t.brush)
return;
if (flags == SF_SINGLEFACE)
{
selected_face = t.face;
selected_face_brush = t.brush;
Sys_UpdateWindows (W_ALL);
g_qeglobals.d_select_mode = sel_brush;
return;
}
// move the brush to the other list
g_qeglobals.d_select_mode = sel_brush;
if (t.selected)
{
Brush_RemoveFromList (t.brush);
Brush_AddToList (t.brush, &active_brushes);
} else
{
Select_Brush (t.brush);
}
Sys_UpdateWindows (W_ALL);
}
void Select_Delete (void)
{
brush_t *brush;
selected_face = NULL;
g_qeglobals.d_select_mode = sel_brush;
g_qeglobals.d_select_count = 0;
g_qeglobals.d_num_move_points = 0;
while (selected_brushes.next != &selected_brushes)
{
brush = selected_brushes.next;
Brush_Free (brush);
}
// FIXME: remove any entities with no brushes
Sys_UpdateWindows (W_ALL);
}
void Select_Deselect (void)
{
brush_t *b;
g_qeglobals.d_workcount++;
g_qeglobals.d_select_count = 0;
g_qeglobals.d_num_move_points = 0;
b = selected_brushes.next;
if (b == &selected_brushes)
{
if (selected_face)
{
selected_face = NULL;
Sys_UpdateWindows (W_ALL);
}
return;
}
selected_face = NULL;
g_qeglobals.d_select_mode = sel_brush;
// grab top / bottom height for new brushes
if (b->mins[2] < b->maxs[2])
{
g_qeglobals.d_new_brush_bottom_z = b->mins[2];
g_qeglobals.d_new_brush_top_z = b->maxs[2];
}
selected_brushes.next->prev = &active_brushes;
selected_brushes.prev->next = active_brushes.next;
active_brushes.next->prev = selected_brushes.prev;
active_brushes.next = selected_brushes.next;
selected_brushes.prev = selected_brushes.next = &selected_brushes;
Sys_UpdateWindows (W_ALL);
}
/*
============
Select_Move
============
*/
void Select_Move (vec3_t delta)
{
brush_t *b;
// actually move the selected brushes
for (b = selected_brushes.next ; b != &selected_brushes ; b=b->next)
Brush_Move (b, delta);
// Sys_UpdateWindows (W_ALL);
}
/*
============
Select_Clone
Creates an exact duplicate of the selection in place, then moves
the selected brushes off of their old positions
============
*/
void Select_Clone (void)
{
brush_t *b, *b2, *n, *next, *next2;
vec3_t delta;
entity_t *e;
g_qeglobals.d_workcount++;
g_qeglobals.d_select_mode = sel_brush;
delta[0] = g_qeglobals.d_gridsize;
delta[1] = g_qeglobals.d_gridsize;
delta[2] = 0;
for (b=selected_brushes.next ; b != &selected_brushes ; b=next)
{
next = b->next;
// if the brush is a world brush, handle simply
if (b->owner == world_entity)
{
n = Brush_Clone (b);
Brush_AddToList (n, &active_brushes);
Entity_LinkBrush (world_entity, n);
Brush_Build( n );
Brush_Move (b, delta);
continue;
}
e = Entity_Clone (b->owner);
// clear the target / targetname
DeleteKey (e, "target");
DeleteKey (e, "targetname");
// if the brush is a fixed size entity, create a new entity
if (b->owner->eclass->fixedsize)
{
n = Brush_Clone (b);
Brush_AddToList (n, &active_brushes);
Entity_LinkBrush (e, n);
Brush_Build( n );
Brush_Move (b, delta);
continue;
}
// brush is a complex entity, grab all the other ones now
next = &selected_brushes;
for ( b2 = b ; b2 != &selected_brushes ; b2=next2)
{
next2 = b2->next;
if (b2->owner != b->owner)
{
if (next == &selected_brushes)
next = b2;
continue;
}
// move b2 to the start of selected_brushes,
// so it won't be hit again
Brush_RemoveFromList (b2);
Brush_AddToList (b2, &selected_brushes);
n = Brush_Clone (b2);
Brush_AddToList (n, &active_brushes);
Entity_LinkBrush (e, n);
Brush_Build( n );
Brush_Move (b2, delta);
}
}
Sys_UpdateWindows (W_ALL);
}
/*
============
Select_SetTexture
============
*/
void Select_SetTexture (texdef_t *texdef)
{
brush_t *b;
if (selected_face)
{
selected_face->texdef = *texdef;
Brush_Build(selected_face_brush);
}
else
{
for (b=selected_brushes.next ; b != &selected_brushes ; b=b->next)
if (!b->owner->eclass->fixedsize)
Brush_SetTexture (b, texdef);
}
Sys_UpdateWindows (W_ALL);
}
/*
================================================================
TRANSFORMATIONS
================================================================
*/
void Select_GetBounds (vec3_t mins, vec3_t maxs)
{
brush_t *b;
int i;
for (i=0 ; i<3 ; i++)
{
mins[i] = 99999;
maxs[i] = -99999;
}
for (b=selected_brushes.next ; b != &selected_brushes ; b=b->next)
for (i=0 ; i<3 ; i++)
{
if (b->mins[i] < mins[i])
mins[i] = b->mins[i];
if (b->maxs[i] > maxs[i])
maxs[i] = b->maxs[i];
}
}
void Select_GetMid (vec3_t mid)
{
vec3_t mins, maxs;
int i;
Select_GetBounds (mins, maxs);
for (i=0 ; i<3 ; i++)
mid[i] = g_qeglobals.d_gridsize*floor ( ( (mins[i] + maxs[i])*0.5 )/g_qeglobals.d_gridsize );
}
vec3_t select_origin;
vec3_t select_matrix[3];
qboolean select_fliporder;
void Select_AplyMatrix (void)
{
brush_t *b;
face_t *f;
int i, j;
vec3_t temp;
for (b=selected_brushes.next ; b != &selected_brushes ; b=b->next)
{
for (f=b->brush_faces ; f ; f=f->next)
{
for (i=0 ; i<3 ; i++)
{
VectorSubtract (f->planepts[i], select_origin, temp);
for (j=0 ; j<3 ; j++)
f->planepts[i][j] = DotProduct(temp, select_matrix[j])
+ select_origin[j];
}
if (select_fliporder)
{
VectorCopy (f->planepts[0], temp);
VectorCopy (f->planepts[2], f->planepts[0]);
VectorCopy (temp, f->planepts[2]);
}
}
Brush_Build( b );
}
Sys_UpdateWindows (W_ALL);
}
void Select_FlipAxis (int axis)
{
int i;
Select_GetMid (select_origin);
for (i=0 ; i<3 ; i++)
{
VectorCopy (vec3_origin, select_matrix[i]);
select_matrix[i][i] = 1;
}
select_matrix[axis][axis] = -1;
select_fliporder = true;
Select_AplyMatrix ();
}
void Select_RotateAxis (int axis, float deg)
{
vec3_t temp;
int i, j;
vec_t c, s;
if (deg == 0)
return;
Select_GetMid (select_origin);
select_fliporder = false;
if (deg == 90)
{
for (i=0 ; i<3 ; i++)
{
VectorCopy (vec3_origin, select_matrix[i]);
select_matrix[i][i] = 1;
}
i = (axis+1)%3;
j = (axis+2)%3;
VectorCopy (select_matrix[i], temp);
VectorCopy (select_matrix[j], select_matrix[i]);
VectorSubtract (vec3_origin, temp, select_matrix[j]);
}
else
{
deg = -deg;
if (deg == -180)
{
c = -1;
s = 0;
}
else if (deg == -270)
{
c = 0;
s = -1;
}
else
{
c = cos(deg/180*3.14159);
s = sin (deg/180*3.14159);
}
for (i=0 ; i<3 ; i++)
{
VectorCopy (vec3_origin, select_matrix[i]);
select_matrix[i][i] = 1;
}
switch (axis)
{
case 0:
select_matrix[1][1] = c;
select_matrix[1][2] = -s;
select_matrix[2][1] = s;
select_matrix[2][2] = c;
break;
case 1:
select_matrix[0][0] = c;
select_matrix[0][2] = s;
select_matrix[2][0] = -s;
select_matrix[2][2] = c;
break;
case 2:
select_matrix[0][0] = c;
select_matrix[0][1] = -s;
select_matrix[1][0] = s;
select_matrix[1][1] = c;
break;
}
}
Select_AplyMatrix ();
}
/*
================================================================
GROUP SELECTIONS
================================================================
*/
void Select_CompleteTall (void)
{
brush_t *b, *next;
int i;
vec3_t mins, maxs;
if (!QE_SingleBrush ())
return;
g_qeglobals.d_select_mode = sel_brush;
VectorCopy (selected_brushes.next->mins, mins);
VectorCopy (selected_brushes.next->maxs, maxs);
Select_Delete ();
for (b=active_brushes.next ; b != &active_brushes ; b=next)
{
next = b->next;
for (i=0 ; i<2 ; i++)
if (b->maxs[i] > maxs[i] || b->mins[i] < mins[i])
break;
if (i == 2)
{
Brush_RemoveFromList (b);
Brush_AddToList (b, &selected_brushes);
}
}
Sys_UpdateWindows (W_ALL);
}
void Select_PartialTall (void)
{
brush_t *b, *next;
int i;
vec3_t mins, maxs;
if (!QE_SingleBrush ())
return;
g_qeglobals.d_select_mode = sel_brush;
VectorCopy (selected_brushes.next->mins, mins);
VectorCopy (selected_brushes.next->maxs, maxs);
Select_Delete ();
for (b=active_brushes.next ; b != &active_brushes ; b=next)
{
next = b->next;
for (i=0 ; i<2 ; i++)
if (b->mins[i] > maxs[i] || b->maxs[i] < mins[i])
break;
if (i == 2)
{
Brush_RemoveFromList (b);
Brush_AddToList (b, &selected_brushes);
}
}
Sys_UpdateWindows (W_ALL);
}
void Select_Touching (void)
{
brush_t *b, *next;
int i;
vec3_t mins, maxs;
if (!QE_SingleBrush ())
return;
g_qeglobals.d_select_mode = sel_brush;
VectorCopy (selected_brushes.next->mins, mins);
VectorCopy (selected_brushes.next->maxs, maxs);
for (b=active_brushes.next ; b != &active_brushes ; b=next)
{
next = b->next;
for (i=0 ; i<3 ; i++)
if (b->mins[i] > maxs[i]+1 || b->maxs[i] < mins[i]-1)
break;
if (i == 3)
{
Brush_RemoveFromList (b);
Brush_AddToList (b, &selected_brushes);
}
}
Sys_UpdateWindows (W_ALL);
}
void Select_Inside (void)
{
brush_t *b, *next;
int i;
vec3_t mins, maxs;
if (!QE_SingleBrush ())
return;
g_qeglobals.d_select_mode = sel_brush;
VectorCopy (selected_brushes.next->mins, mins);
VectorCopy (selected_brushes.next->maxs, maxs);
Select_Delete ();
for (b=active_brushes.next ; b != &active_brushes ; b=next)
{
next = b->next;
for (i=0 ; i<3 ; i++)
if (b->maxs[i] > maxs[i] || b->mins[i] < mins[i])
break;
if (i == 3)
{
Brush_RemoveFromList (b);
Brush_AddToList (b, &selected_brushes);
}
}
Sys_UpdateWindows (W_ALL);
}
/*
=============
Select_Ungroup
Turn the currently selected entity back into normal brushes
=============
*/
void Select_Ungroup (void)
{
entity_t *e;
brush_t *b;
e = selected_brushes.next->owner;
if (!e || e == world_entity || e->eclass->fixedsize)
{
Sys_Status ("Not a grouped entity.", 0);
return;
}
for (b=e->brushes.onext ; b != &e->brushes ; b=e->brushes.onext)
{
Brush_RemoveFromList (b);
Brush_AddToList (b, &active_brushes);
Entity_UnlinkBrush (b);
Entity_LinkBrush (world_entity, b);
Brush_Build( b );
b->owner = world_entity;
}
Entity_Free (e);
Sys_UpdateWindows (W_ALL);
}
/*
====================
Select_MakeStructural
====================
*/
void Select_MakeStructural (void)
{
brush_t *b;
face_t *f;
for (b=selected_brushes.next ; b != &selected_brushes ; b=b->next)
for (f=b->brush_faces ; f ; f=f->next)
f->texdef.contents &= ~CONTENTS_DETAIL;
Select_Deselect ();
Sys_UpdateWindows (W_ALL);
}
void Select_MakeDetail (void)
{
brush_t *b;
face_t *f;
for (b=selected_brushes.next ; b != &selected_brushes ; b=b->next)
for (f=b->brush_faces ; f ; f=f->next)
f->texdef.contents |= CONTENTS_DETAIL;
Select_Deselect ();
Sys_UpdateWindows (W_ALL);
}