gtkradiant/plugins/entity/angles.h
TTimo 12b372f89c ok
git-svn-id: svn://svn.icculus.org/gtkradiant/GtkRadiant@1 8a3a26a2-13c4-0310-b231-cf6edde360e5
2006-02-10 22:01:20 +00:00

140 lines
3.3 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_ANGLES_H)
#define INCLUDED_ANGLES_H
#include "ientity.h"
#include "math/quaternion.h"
#include "generic/callback.h"
#include "stringio.h"
#include "angle.h"
const Vector3 ANGLESKEY_IDENTITY = Vector3(0, 0, 0);
inline void default_angles(Vector3& angles)
{
angles = ANGLESKEY_IDENTITY;
}
inline void normalise_angles(Vector3& angles)
{
angles[0] = static_cast<float>(float_mod(angles[0], 360));
angles[1] = static_cast<float>(float_mod(angles[1], 360));
angles[2] = static_cast<float>(float_mod(angles[2], 360));
}
inline void read_angle(Vector3& angles, const char* value)
{
if(!string_parse_float(value, angles[2]))
{
default_angles(angles);
}
else
{
angles[0] = 0;
angles[1] = 0;
normalise_angles(angles);
}
}
inline void read_angles(Vector3& angles, const char* value)
{
if(!string_parse_vector3(value, angles))
{
default_angles(angles);
}
else
{
angles = Vector3(angles[2], angles[0], angles[1]);
normalise_angles(angles);
}
}
inline void write_angles(const Vector3& angles, Entity* entity)
{
if(angles[0] == 0
&& angles[1] == 0
&& angles[2] == 0)
{
entity->setKeyValue("angle", "");
entity->setKeyValue("angles", "");
}
else
{
char value[64];
if(angles[0] == 0 && angles[1] == 0)
{
entity->setKeyValue("angles", "");
write_angle(angles[2], entity);
}
else
{
sprintf(value, "%g %g %g", angles[1], angles[2], angles[0]);
entity->setKeyValue("angle", "");
entity->setKeyValue("angles", value);
}
}
}
inline Vector3 angles_rotated(const Vector3& angles, const Quaternion& rotation)
{
return matrix4_get_rotation_euler_xyz_degrees(
matrix4_multiplied_by_matrix4(
matrix4_rotation_for_euler_xyz_degrees(angles),
matrix4_rotation_for_quaternion_quantised(rotation)
)
);
}
class AnglesKey
{
Callback m_anglesChanged;
public:
Vector3 m_angles;
AnglesKey(const Callback& anglesChanged)
: m_anglesChanged(anglesChanged), m_angles(ANGLESKEY_IDENTITY)
{
}
void angleChanged(const char* value)
{
read_angle(m_angles, value);
m_anglesChanged();
}
typedef MemberCaller1<AnglesKey, const char*, &AnglesKey::angleChanged> AngleChangedCaller;
void anglesChanged(const char* value)
{
read_angles(m_angles, value);
m_anglesChanged();
}
typedef MemberCaller1<AnglesKey, const char*, &AnglesKey::anglesChanged> AnglesChangedCaller;
void write(Entity* entity) const
{
write_angles(m_angles, entity);
}
};
#endif