125 lines
2.9 KiB
C++
125 lines
2.9 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_SCALE_H )
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#define INCLUDED_SCALE_H
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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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{
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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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{
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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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} else {
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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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{
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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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{
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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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} else {
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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, "%f", scale[0]);
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entity->setKeyValue("modelscale_vec", "");
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entity->setKeyValue("modelscale", value);
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} else {
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sprintf(value, "%f %f %f", 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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{
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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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Callback<void()> m_scaleChanged;
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public:
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Vector3 m_scale;
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ScaleKey(const Callback<void()> &scaleChanged)
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: m_scaleChanged(scaleChanged), m_scale(SCALEKEY_IDENTITY)
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{
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}
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void uniformScaleChanged(const char *value)
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{
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read_scale(m_scale, value);
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m_scaleChanged();
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}
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typedef MemberCaller<ScaleKey, void (const char *), &ScaleKey::uniformScaleChanged> UniformScaleChangedCaller;
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void scaleChanged(const char *value)
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{
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read_scalevec(m_scale, value);
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m_scaleChanged();
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}
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typedef MemberCaller<ScaleKey, void (const char *), &ScaleKey::scaleChanged> ScaleChangedCaller;
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void write(Entity *entity) const
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{
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write_scale(m_scale, entity);
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}
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};
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#endif
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