+++ /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_ROTATION_H)
-#define INCLUDED_ROTATION_H
-
-#include "ientity.h"
-
-#include "stream/stringstream.h"
-#include "math/quaternion.h"
-#include "generic/callback.h"
-#include "stringio.h"
-
-#include "angle.h"
-
-typedef float Float9[9];
-
-inline void default_rotation(Float9 rotation)
-{
- rotation[0] = 1;
- rotation[1] = 0;
- rotation[2] = 0;
- rotation[3] = 0;
- rotation[4] = 1;
- rotation[5] = 0;
- rotation[6] = 0;
- rotation[7] = 0;
- rotation[8] = 1;
-}
-inline void write_rotation(const Float9 rotation, Entity* entity, const char* key = "rotation")
-{
- if(rotation[0] == 1
- && rotation[1] == 0
- && rotation[2] == 0
- && rotation[3] == 0
- && rotation[4] == 1
- && rotation[5] == 0
- && rotation[6] == 0
- && rotation[7] == 0
- && rotation[8] == 1)
- {
- entity->setKeyValue(key, "");
- }
- else
- {
- StringOutputStream value(256);
- value << rotation[0] << ' '
- << rotation[1] << ' '
- << rotation[2] << ' '
- << rotation[3] << ' '
- << rotation[4] << ' '
- << rotation[5] << ' '
- << rotation[6] << ' '
- << rotation[7] << ' '
- << rotation[8];
- entity->setKeyValue(key, value.c_str());
- }
-}
-inline void read_rotation(Float9 rotation, const char* value)
-{
- if(!string_parse_vector(value, rotation, rotation + 9))
- {
- default_rotation(rotation);
- }
-}
-
-inline Matrix4 rotation_toMatrix(const Float9 rotation)
-{
- return Matrix4(
- rotation[0],
- rotation[1],
- rotation[2],
- 0,
- rotation[3],
- rotation[4],
- rotation[5],
- 0,
- rotation[6],
- rotation[7],
- rotation[8],
- 0,
- 0,
- 0,
- 0,
- 1
- );
-}
-
-inline void rotation_fromMatrix(Float9 rotation, const Matrix4& matrix)
-{
- rotation[0] = matrix.xx();
- rotation[1] = matrix.xy();
- rotation[2] = matrix.xz();
- rotation[3] = matrix.yx();
- rotation[4] = matrix.yy();
- rotation[5] = matrix.yz();
- rotation[6] = matrix.zx();
- rotation[7] = matrix.zy();
- rotation[8] = matrix.zz();
-}
-
-inline void rotation_assign(Float9 rotation, const Float9 other)
-{
- rotation[0] = other[0];
- rotation[1] = other[1];
- rotation[2] = other[2];
- rotation[3] = other[3];
- rotation[4] = other[4];
- rotation[5] = other[5];
- rotation[6] = other[6];
- rotation[7] = other[7];
- rotation[8] = other[8];
-}
-
-inline void rotation_rotate(Float9 rotation, const Quaternion& rotate)
-{
- rotation_fromMatrix(rotation,
- matrix4_multiplied_by_matrix4(
- rotation_toMatrix(rotation),
- matrix4_rotation_for_quaternion_quantised(rotate)
- )
- );
-}
-
-inline void read_angle(Float9 rotation, const char* value)
-{
- float angle;
- if(!string_parse_float(value, angle))
- {
- default_rotation(rotation);
- }
- else
- {
- rotation_fromMatrix(rotation, matrix4_rotation_for_z_degrees(angle));
- }
-}
-
-class RotationKey
-{
- Callback m_rotationChanged;
-public:
- Float9 m_rotation;
-
-
- RotationKey(const Callback& rotationChanged)
- : m_rotationChanged(rotationChanged)
- {
- default_rotation(m_rotation);
- }
-
- void angleChanged(const char* value)
- {
- read_angle(m_rotation, value);
- m_rotationChanged();
- }
- typedef MemberCaller1<RotationKey, const char*, &RotationKey::angleChanged> AngleChangedCaller;
-
- void rotationChanged(const char* value)
- {
- read_rotation(m_rotation, value);
- m_rotationChanged();
- }
- typedef MemberCaller1<RotationKey, const char*, &RotationKey::rotationChanged> RotationChangedCaller;
-
- void write(Entity* entity) const
- {
- Vector3 euler = matrix4_get_rotation_euler_xyz_degrees(rotation_toMatrix(m_rotation));
- if(euler[0] == 0 && euler[1] == 0)
- {
- entity->setKeyValue("rotation", "");
- write_angle(euler[2], entity);
- }
- else
- {
- entity->setKeyValue("angle", "");
- write_rotation(m_rotation, entity);
- }
- }
-};
-
-#endif