2 Copyright (C) 2001-2006, William Joseph.
5 This file is part of GtkRadiant.
7 GtkRadiant is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 2 of the License, or
10 (at your option) any later version.
12 GtkRadiant is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with GtkRadiant; if not, write to the Free Software
19 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
22 #if !defined( INCLUDED_ORIGIN_H )
23 #define INCLUDED_ORIGIN_H
27 #include "math/matrix.h"
28 #include "generic/callback.h"
31 const Vector3 ORIGINKEY_IDENTITY = Vector3( 0, 0, 0 );
33 inline void default_origin( Vector3& origin ){
34 origin = ORIGINKEY_IDENTITY;
36 inline void read_origin( Vector3& origin, const char* value ){
37 if ( !string_parse_vector3( value, origin ) ) {
38 default_origin( origin );
41 inline void write_origin( const Vector3& origin, Entity* entity, const char* key ){
43 sprintf( value, "%f %f %f", origin[0], origin[1], origin[2] );
44 entity->setKeyValue( key, value );
47 inline Vector3 origin_translated( const Vector3& origin, const Vector3& translation ){
48 return matrix4_get_translation_vec3(
49 matrix4_multiplied_by_matrix4(
50 matrix4_translation_for_vec3( origin ),
51 matrix4_translation_for_vec3( translation )
56 inline Vector3 origin_snapped( const Vector3& origin, float snap ){
57 return vector3_snapped( origin, snap );
62 Callback<void()> m_originChanged;
67 OriginKey( const Callback<void()>& originChanged )
68 : m_originChanged( originChanged ), m_origin( ORIGINKEY_IDENTITY ){
71 void originChanged( const char* value ){
72 read_origin( m_origin, value );
75 typedef MemberCaller<OriginKey, void(const char*), &OriginKey::originChanged> OriginChangedCaller;
78 void write( Entity* entity ) const {
79 write_origin( m_origin, entity, "origin" );
86 inline BrushDoom3* Node_getBrushDoom3( scene::Node& node ){
87 return NodeTypeCast<BrushDoom3>::cast( node );
90 inline void BrushDoom3_setDoom3GroupOrigin( scene::Node& node, const Vector3& origin ){
91 BrushDoom3* brush = Node_getBrushDoom3( node );
93 brush->setDoom3GroupOrigin( origin );
97 class SetDoom3GroupOriginWalker : public scene::Traversable::Walker
99 const Vector3& m_origin;
101 SetDoom3GroupOriginWalker( const Vector3& origin ) : m_origin( origin ){
103 bool pre( scene::Node& node ) const {
104 BrushDoom3_setDoom3GroupOrigin( node, m_origin );
109 class Doom3GroupOrigin : public scene::Traversable::Observer
111 scene::Traversable& m_set;
112 const Vector3& m_origin;
116 Doom3GroupOrigin( scene::Traversable& set, const Vector3& origin ) : m_set( set ), m_origin( origin ), m_enabled( false ){
127 void originChanged(){
129 m_set.traverse( SetDoom3GroupOriginWalker( m_origin ) );
133 void insert( scene::Node& node ){
135 BrushDoom3_setDoom3GroupOrigin( node, m_origin );
138 void erase( scene::Node& node ){
140 BrushDoom3_setDoom3GroupOrigin( node, Vector3( 0, 0, 0 ) );