127 lines
2.8 KiB
C++
127 lines
2.8 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_COLOUR_H )
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#define INCLUDED_COLOUR_H
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#include "ientity.h"
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#include "irender.h"
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#include "math/vector.h"
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#include "eclasslib.h"
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#include "generic/callback.h"
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#include "stringio.h"
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inline void default_colour(Vector3 &colour)
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{
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colour = Vector3(1, 1, 1);
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}
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inline void read_colour(Vector3 &colour, const char *value)
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{
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if (!string_parse_vector3(value, colour)) {
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default_colour(colour);
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}
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}
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inline void read_colour255(Vector3 &colour, const char *value)
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{
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if (!string_parse_vector3(value, colour)) {
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default_colour(colour);
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} else {
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colour[0] /= 255;
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colour[1] /= 255;
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colour[2] /= 255;
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}
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}
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inline void write_colour(const Vector3 &colour, Entity *entity)
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{
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char value[64];
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sprintf(value, "%f %f %f", colour[0], colour[1], colour[2]);
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entity->setKeyValue("_color", value);
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}
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class Colour {
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Callback<void()> m_colourChanged;
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Shader *m_state;
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void capture_state()
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{
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m_state = colour_capture_state_fill(m_colour);
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}
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void release_state()
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{
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colour_release_state_fill(m_colour);
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}
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public:
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Vector3 m_colour;
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Colour(const Callback<void()> &colourChanged)
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: m_colourChanged(colourChanged)
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{
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default_colour(m_colour);
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capture_state();
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}
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~Colour()
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{
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release_state();
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}
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void colourChanged(const char *value)
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{
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release_state();
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read_colour(m_colour, value);
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capture_state();
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m_colourChanged();
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}
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void colour255Changed(const char *value)
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{
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release_state();
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read_colour255(m_colour, value);
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capture_state();
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m_colourChanged();
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}
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typedef MemberCaller<Colour, void(const char *), &Colour::colourChanged> ColourChangedCaller;
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typedef MemberCaller<Colour, void(const char *), &Colour::colour255Changed> Colour255ChangedCaller;
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void write(Entity *entity) const
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{
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write_colour(m_colour, entity);
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}
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Shader *state() const
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{
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return m_state;
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}
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};
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#endif
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