gtkradiant/plugins/entity/scale.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

128 lines
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_SCALE_H)
#define INCLUDED_SCALE_H
#include "ientity.h"
#include "math/matrix.h"
#include "generic/callback.h"
#include "stringio.h"
const Vector3 SCALEKEY_IDENTITY = Vector3(1, 1, 1);
inline void default_scale(Vector3& scale)
{
scale = SCALEKEY_IDENTITY;
}
inline void read_scale(Vector3& scalevec, const char* value)
{
float scale;
if(!string_parse_float(value, scale)
|| scale == 0)
{
default_scale(scalevec);
}
else
{
scalevec = Vector3(scale, scale, scale);
}
}
inline void read_scalevec(Vector3& scale, const char* value)
{
if(!string_parse_vector3(value, scale)
|| scale[0] == 0
|| scale[1] == 0
|| scale[2] == 0)
default_scale(scale);
}
inline void write_scale(const Vector3& scale, Entity* entity)
{
if(scale[0] == 1 && scale[1] == 1 && scale[2] == 1)
{
entity->setKeyValue("modelscale", "");
entity->setKeyValue("modelscale_vec", "");
}
else
{
char value[64];
if(scale[0] == scale[1] && scale[0] == scale[2])
{
sprintf(value, "%g", scale[0]);
entity->setKeyValue("modelscale_vec", "");
entity->setKeyValue("modelscale", value);
}
else
{
sprintf(value, "%g %g %g", scale[0], scale[1], scale[2]);
entity->setKeyValue("modelscale", "");
entity->setKeyValue("modelscale_vec", value);
}
}
}
inline Vector3 scale_scaled(const Vector3& scale, const Vector3& scaling)
{
return matrix4_get_scale_vec3(
matrix4_multiplied_by_matrix4(
matrix4_scale_for_vec3(scale),
matrix4_scale_for_vec3(scaling)
)
);
}
class ScaleKey
{
Callback m_scaleChanged;
public:
Vector3 m_scale;
ScaleKey(const Callback& scaleChanged)
: m_scaleChanged(scaleChanged), m_scale(SCALEKEY_IDENTITY)
{
}
void uniformScaleChanged(const char* value)
{
read_scale(m_scale, value);
m_scaleChanged();
}
typedef MemberCaller1<ScaleKey, const char*, &ScaleKey::uniformScaleChanged> UniformScaleChangedCaller;
void scaleChanged(const char* value)
{
read_scalevec(m_scale, value);
m_scaleChanged();
}
typedef MemberCaller1<ScaleKey, const char*, &ScaleKey::scaleChanged> ScaleChangedCaller;
void write(Entity* entity) const
{
write_scale(m_scale, entity);
}
};
#endif