mirror of
https://github.com/UberGames/GtkRadiant.git
synced 2024-11-14 00:11:09 +00:00
e79765eb15
git-svn-id: svn://svn.icculus.org/gtkradiant/GtkRadiant/trunk@30 8a3a26a2-13c4-0310-b231-cf6edde360e5
259 lines
8.3 KiB
C++
259 lines
8.3 KiB
C++
/*
|
|
Copyright (C) 2001-2006, William Joseph.
|
|
All Rights Reserved.
|
|
|
|
This file is part of GtkRadiant.
|
|
|
|
GtkRadiant 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.
|
|
|
|
GtkRadiant 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 GtkRadiant; if not, write to the Free Software
|
|
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
|
|
*/
|
|
|
|
#if !defined(INCLUDED_DRAGPLANES_H)
|
|
#define INCLUDED_DRAGPLANES_H
|
|
|
|
#include "selectable.h"
|
|
#include "selectionlib.h"
|
|
#include "math/aabb.h"
|
|
#include "math/line.h"
|
|
|
|
// local must be a pure rotation
|
|
inline Vector3 translation_to_local(const Vector3& translation, const Matrix4& local)
|
|
{
|
|
return matrix4_get_translation_vec3(
|
|
matrix4_multiplied_by_matrix4(
|
|
matrix4_translated_by_vec3(matrix4_transposed(local), translation),
|
|
local
|
|
)
|
|
);
|
|
}
|
|
|
|
// local must be a pure rotation
|
|
inline Vector3 translation_from_local(const Vector3& translation, const Matrix4& local)
|
|
{
|
|
return matrix4_get_translation_vec3(
|
|
matrix4_multiplied_by_matrix4(
|
|
matrix4_translated_by_vec3(local, translation),
|
|
matrix4_transposed(local)
|
|
)
|
|
);
|
|
}
|
|
|
|
class DragPlanes
|
|
{
|
|
public:
|
|
ObservedSelectable m_selectable_right; // +x
|
|
ObservedSelectable m_selectable_left; // -x
|
|
ObservedSelectable m_selectable_front; // +y
|
|
ObservedSelectable m_selectable_back; // -y
|
|
ObservedSelectable m_selectable_top; // +z
|
|
ObservedSelectable m_selectable_bottom; // -z
|
|
AABB m_bounds;
|
|
|
|
DragPlanes(const SelectionChangeCallback& onchanged) :
|
|
m_selectable_right(onchanged),
|
|
m_selectable_left(onchanged),
|
|
m_selectable_front(onchanged),
|
|
m_selectable_back(onchanged),
|
|
m_selectable_top(onchanged),
|
|
m_selectable_bottom(onchanged)
|
|
{
|
|
}
|
|
bool isSelected() const
|
|
{
|
|
return m_selectable_right.isSelected()
|
|
|| m_selectable_left.isSelected()
|
|
|| m_selectable_front.isSelected()
|
|
|| m_selectable_back.isSelected()
|
|
|| m_selectable_top.isSelected()
|
|
|| m_selectable_bottom.isSelected();
|
|
}
|
|
void setSelected(bool selected)
|
|
{
|
|
m_selectable_right.setSelected(selected);
|
|
m_selectable_left.setSelected(selected);
|
|
m_selectable_front.setSelected(selected);
|
|
m_selectable_back.setSelected(selected);
|
|
m_selectable_top.setSelected(selected);
|
|
m_selectable_bottom.setSelected(selected);
|
|
}
|
|
void selectPlanes(const AABB& aabb, Selector& selector, SelectionTest& test, const PlaneCallback& selectedPlaneCallback, const Matrix4& rotation = g_matrix4_identity)
|
|
{
|
|
Line line(test.getNear(), test.getFar());
|
|
Vector3 corners[8];
|
|
aabb_corners_oriented(aabb, rotation, corners);
|
|
|
|
Plane3 planes[6];
|
|
aabb_planes_oriented(aabb, rotation, planes);
|
|
|
|
for(Vector3* i = corners; i != corners + 8; ++i)
|
|
{
|
|
*i = vector3_subtracted(line_closest_point(line, *i), *i);
|
|
}
|
|
|
|
if(vector3_dot(planes[0].normal(), corners[1]) > 0
|
|
&& vector3_dot(planes[0].normal(), corners[2]) > 0
|
|
&& vector3_dot(planes[0].normal(), corners[5]) > 0
|
|
&& vector3_dot(planes[0].normal(), corners[6]) > 0)
|
|
{
|
|
Selector_add(selector, m_selectable_right);
|
|
selectedPlaneCallback(planes[0]);
|
|
//globalOutputStream() << "right\n";
|
|
}
|
|
if(vector3_dot(planes[1].normal(), corners[0]) > 0
|
|
&& vector3_dot(planes[1].normal(), corners[3]) > 0
|
|
&& vector3_dot(planes[1].normal(), corners[4]) > 0
|
|
&& vector3_dot(planes[1].normal(), corners[7]) > 0)
|
|
{
|
|
Selector_add(selector, m_selectable_left);
|
|
selectedPlaneCallback(planes[1]);
|
|
//globalOutputStream() << "left\n";
|
|
}
|
|
if(vector3_dot(planes[2].normal(), corners[0]) > 0
|
|
&& vector3_dot(planes[2].normal(), corners[1]) > 0
|
|
&& vector3_dot(planes[2].normal(), corners[4]) > 0
|
|
&& vector3_dot(planes[2].normal(), corners[5]) > 0)
|
|
{
|
|
Selector_add(selector, m_selectable_front);
|
|
selectedPlaneCallback(planes[2]);
|
|
//globalOutputStream() << "front\n";
|
|
}
|
|
if(vector3_dot(planes[3].normal(), corners[2]) > 0
|
|
&& vector3_dot(planes[3].normal(), corners[3]) > 0
|
|
&& vector3_dot(planes[3].normal(), corners[6]) > 0
|
|
&& vector3_dot(planes[3].normal(), corners[7]) > 0)
|
|
{
|
|
Selector_add(selector, m_selectable_back);
|
|
selectedPlaneCallback(planes[3]);
|
|
//globalOutputStream() << "back\n";
|
|
}
|
|
if(vector3_dot(planes[4].normal(), corners[0]) > 0
|
|
&& vector3_dot(planes[4].normal(), corners[1]) > 0
|
|
&& vector3_dot(planes[4].normal(), corners[2]) > 0
|
|
&& vector3_dot(planes[4].normal(), corners[3]) > 0)
|
|
{
|
|
Selector_add(selector, m_selectable_top);
|
|
selectedPlaneCallback(planes[4]);
|
|
//globalOutputStream() << "top\n";
|
|
}
|
|
if(vector3_dot(planes[5].normal(), corners[4]) > 0
|
|
&& vector3_dot(planes[5].normal(), corners[5]) > 0
|
|
&& vector3_dot(planes[5].normal(), corners[6]) > 0
|
|
&& vector3_dot(planes[5].normal(), corners[7]) > 0)
|
|
{
|
|
Selector_add(selector, m_selectable_bottom);
|
|
selectedPlaneCallback(planes[5]);
|
|
//globalOutputStream() << "bottom\n";
|
|
}
|
|
|
|
m_bounds = aabb;
|
|
}
|
|
void selectReversedPlanes(const AABB& aabb, Selector& selector, const SelectedPlanes& selectedPlanes, const Matrix4& rotation = g_matrix4_identity)
|
|
{
|
|
Plane3 planes[6];
|
|
aabb_planes_oriented(aabb, rotation, planes);
|
|
|
|
if(selectedPlanes.contains(plane3_flipped(planes[0])))
|
|
{
|
|
Selector_add(selector, m_selectable_right);
|
|
}
|
|
if(selectedPlanes.contains(plane3_flipped(planes[1])))
|
|
{
|
|
Selector_add(selector, m_selectable_left);
|
|
}
|
|
if(selectedPlanes.contains(plane3_flipped(planes[2])))
|
|
{
|
|
Selector_add(selector, m_selectable_front);
|
|
}
|
|
if(selectedPlanes.contains(plane3_flipped(planes[3])))
|
|
{
|
|
Selector_add(selector, m_selectable_back);
|
|
}
|
|
if(selectedPlanes.contains(plane3_flipped(planes[4])))
|
|
{
|
|
Selector_add(selector, m_selectable_top);
|
|
}
|
|
if(selectedPlanes.contains(plane3_flipped(planes[5])))
|
|
{
|
|
Selector_add(selector, m_selectable_bottom);
|
|
}
|
|
}
|
|
AABB evaluateResize(const Vector3& translation) const
|
|
{
|
|
Vector3 min = m_bounds.origin - m_bounds.extents;
|
|
Vector3 max = m_bounds.origin + m_bounds.extents;
|
|
if(m_bounds.extents[0] != 0)
|
|
{
|
|
if(m_selectable_right.isSelected())
|
|
{
|
|
max[0] += translation[0];
|
|
//globalOutputStream() << "moving right\n";
|
|
}
|
|
if(m_selectable_left.isSelected())
|
|
{
|
|
min[0] += translation[0];
|
|
//globalOutputStream() << "moving left\n";
|
|
}
|
|
}
|
|
if(m_bounds.extents[1] != 0)
|
|
{
|
|
if(m_selectable_front.isSelected())
|
|
{
|
|
max[1] += translation[1];
|
|
//globalOutputStream() << "moving front\n";
|
|
}
|
|
if(m_selectable_back.isSelected())
|
|
{
|
|
min[1] += translation[1];
|
|
//globalOutputStream() << "moving back\n";
|
|
}
|
|
}
|
|
if(m_bounds.extents[2] != 0)
|
|
{
|
|
if(m_selectable_top.isSelected())
|
|
{
|
|
max[2] += translation[2];
|
|
//globalOutputStream() << "moving top\n";
|
|
}
|
|
if(m_selectable_bottom.isSelected())
|
|
{
|
|
min[2] += translation[2];
|
|
//globalOutputStream() << "moving bottom\n";
|
|
}
|
|
}
|
|
|
|
return AABB(vector3_mid(min, max), vector3_scaled(vector3_subtracted(max, min), 0.5));
|
|
}
|
|
AABB evaluateResize(const Vector3& translation, const Matrix4& rotation) const
|
|
{
|
|
AABB aabb(evaluateResize(translation_to_local(translation, rotation)));
|
|
aabb.origin = m_bounds.origin + translation_from_local(aabb.origin - m_bounds.origin, rotation);
|
|
return aabb;
|
|
}
|
|
Matrix4 evaluateTransform(const Vector3& translation) const
|
|
{
|
|
AABB aabb(evaluateResize(translation));
|
|
Vector3 scale(
|
|
m_bounds.extents[0] != 0 ? aabb.extents[0] / m_bounds.extents[0] : 1,
|
|
m_bounds.extents[1] != 0 ? aabb.extents[1] / m_bounds.extents[1] : 1,
|
|
m_bounds.extents[2] != 0 ? aabb.extents[2] / m_bounds.extents[2] : 1
|
|
);
|
|
|
|
Matrix4 matrix(matrix4_translation_for_vec3(aabb.origin - m_bounds.origin));
|
|
matrix4_pivoted_scale_by_vec3(matrix, scale, m_bounds.origin);
|
|
|
|
return matrix;
|
|
}
|
|
};
|
|
|
|
#endif
|