119 lines
3.4 KiB
C++
119 lines
3.4 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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#pragma once
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#include "ientity.h"
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#include "math/matrix.h"
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#include "generic/callback.h"
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#include "stringio.h"
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const Vector3 SCALEKEY_IDENTITY = Vector3( 1, 1, 1 );
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inline void default_scale( Vector3& scale ){
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scale = SCALEKEY_IDENTITY;
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}
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inline void read_scale( Vector3& scalevec, const char* value ){
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float scale;
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if ( !string_parse_float( value, scale )
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|| scale == 0 ) {
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default_scale( scalevec );
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}
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else
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{
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scalevec = Vector3( scale, scale, scale );
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}
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}
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inline void read_scalevec( Vector3& scale, const char* value ){
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if ( !string_parse_vector3( value, scale )
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|| scale[0] == 0
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|| scale[1] == 0
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|| scale[2] == 0 ) {
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default_scale( scale );
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}
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}
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inline void write_scale( const Vector3& scale, Entity* entity ){
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if ( scale[0] == 1 && scale[1] == 1 && scale[2] == 1 ) {
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entity->setKeyValue( "modelscale", "" );
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entity->setKeyValue( "modelscale_vec", "" );
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}
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else
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{
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char value[64];
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if ( scale[0] == scale[1] && scale[0] == scale[2] ) {
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sprintf( value, "%g", scale[0] );
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entity->setKeyValue( "modelscale_vec", "" );
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entity->setKeyValue( "modelscale", value );
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}
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else
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{
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sprintf( value, "%g %g %g", scale[0], scale[1], scale[2] );
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entity->setKeyValue( "modelscale", "" );
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entity->setKeyValue( "modelscale_vec", value );
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}
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}
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}
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inline Vector3 scale_scaled( const Vector3& scale, const Vector3& scaling ){
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return matrix4_get_scale_vec3(
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matrix4_multiplied_by_matrix4(
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matrix4_scale_for_vec3( scale ),
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matrix4_scale_for_vec3( scaling )
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)
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);
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}
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class ScaleKey
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{
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Callback m_scaleChanged;
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const Entity& m_entity;
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public:
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Vector3 m_scale;
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ScaleKey( const Callback& scaleChanged, const Entity& entity )
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: m_scaleChanged( scaleChanged ), m_entity( entity ), m_scale( SCALEKEY_IDENTITY ){
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}
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void uniformScaleChanged( const char* value ){
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if( !m_entity.hasKeyValue( "modelscale_vec" ) ){
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read_scale( m_scale, value );
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m_scaleChanged();
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}
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}
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typedef MemberCaller1<ScaleKey, const char*, &ScaleKey::uniformScaleChanged> UniformScaleChangedCaller;
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void scaleChanged( const char* value ){
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if( m_entity.hasKeyValue( "modelscale_vec" ) ) // check actual key presence, as this may be notified by default value on key removal
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read_scalevec( m_scale, value );
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else // "modelscale_vec" removed // improvable: also do this on invalid "modelscale_vec" key
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read_scale( m_scale, m_entity.getKeyValue( "modelscale" ) );
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m_scaleChanged();
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}
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typedef MemberCaller1<ScaleKey, const char*, &ScaleKey::scaleChanged> ScaleChangedCaller;
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void write( Entity* entity ) const {
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write_scale( m_scale, entity );
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}
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};
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