127 lines
3.0 KiB
C++
127 lines
3.0 KiB
C++
/*
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Copyright (C) 2001-2006, William Joseph.
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All Rights Reserved.
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This file is part of GtkRadiant.
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GtkRadiant is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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GtkRadiant is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GtkRadiant; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#if !defined( INCLUDED_ANGLES_H )
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#define INCLUDED_ANGLES_H
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#include "ientity.h"
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#include "math/quaternion.h"
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#include "generic/callback.h"
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#include "stringio.h"
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#include "angle.h"
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const Vector3 ANGLESKEY_IDENTITY = Vector3(0, 0, 0);
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inline void default_angles(Vector3 &angles)
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{
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angles = ANGLESKEY_IDENTITY;
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}
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inline void normalise_angles(Vector3 &angles)
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{
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angles[0] = static_cast<float>( float_mod(angles[0], 360));
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angles[1] = static_cast<float>( float_mod(angles[1], 360));
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angles[2] = static_cast<float>( float_mod(angles[2], 360));
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}
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inline void read_angle(Vector3 &angles, const char *value)
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{
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if (!string_parse_float(value, angles[2])) {
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default_angles(angles);
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} else {
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angles[0] = 0;
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angles[1] = 0;
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normalise_angles(angles);
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}
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}
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inline void read_angles(Vector3 &angles, const char *value)
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{
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if (!string_parse_vector3(value, angles)) {
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default_angles(angles);
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printf("Failed to read angles!\n");
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} else {
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angles = Vector3(angles[2], angles[0], angles[1]);
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normalise_angles(angles);
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}
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}
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inline void write_angles(const Vector3 &angles, Entity *entity)
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{
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if (angles[0] == 0
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&& angles[1] == 0
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&& angles[2] == 0) {
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entity->setKeyValue("angles", "");
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} else {
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char value[64];
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sprintf(value, "%f %f %f", angles[1], angles[2], angles[0]);
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entity->setKeyValue("angles", value);
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}
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}
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inline Vector3 angles_rotated(const Vector3 &angles, const Quaternion &rotation)
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{
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return matrix4_get_rotation_euler_xyz_degrees(
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matrix4_multiplied_by_matrix4(
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matrix4_rotation_for_euler_xyz_degrees(angles),
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matrix4_rotation_for_quaternion_quantised(rotation)
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)
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);
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}
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class AnglesKey {
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Callback<void()> m_anglesChanged;
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public:
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Vector3 m_angles;
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AnglesKey(const Callback<void()> &anglesChanged)
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: m_anglesChanged(anglesChanged), m_angles(ANGLESKEY_IDENTITY)
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{
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}
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void angleChanged(const char *value)
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{
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read_angle(m_angles, value);
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m_anglesChanged();
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}
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typedef MemberCaller<AnglesKey, void (const char *), &AnglesKey::angleChanged> AngleChangedCaller;
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void anglesChanged(const char *value)
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{
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read_angles(m_angles, value);
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m_anglesChanged();
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}
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typedef MemberCaller<AnglesKey, void (const char *), &AnglesKey::anglesChanged> AnglesChangedCaller;
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void write(Entity *entity) const
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{
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write_angles(m_angles, entity);
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}
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};
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#endif
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