--- /dev/null
+/*
+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
projects / voretournament / voretournament.git / blobdiff