vmap/plugins/entity/namedentity.h
2020-11-17 12:16:16 +01:00

111 lines
2.8 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_NAMEDENTITY_H )
#define INCLUDED_NAMEDENTITY_H
#include "entitylib.h"
#include "eclasslib.h"
#include "generic/callback.h"
#include "nameable.h"
#include <set>
class NameCallbackSet {
typedef std::set<NameCallback> NameCallbacks;
NameCallbacks m_callbacks;
public:
void insert(const NameCallback &callback)
{
m_callbacks.insert(callback);
}
void erase(const NameCallback &callback)
{
m_callbacks.erase(callback);
}
void changed(const char *name) const
{
for (NameCallbacks::const_iterator i = m_callbacks.begin(); i != m_callbacks.end(); ++i) {
(*i)(name);
}
}
};
class NamedEntity : public Nameable {
EntityKeyValues &m_entity;
NameCallbackSet m_changed;
CopiedString m_name;
public:
NamedEntity(EntityKeyValues &entity) : m_entity(entity)
{
}
const char *name() const
{
if (string_empty(m_name.c_str())) {
return m_entity.getEntityClass().name();
}
return m_name.c_str();
}
void attach(const NameCallback &callback)
{
m_changed.insert(callback);
}
void detach(const NameCallback &callback)
{
m_changed.erase(callback);
}
void identifierChanged(const char *value)
{
if (string_empty(value)) {
m_changed.changed(m_entity.getEntityClass().name());
} else {
m_changed.changed(value);
}
m_name = value;
}
typedef MemberCaller<NamedEntity, void(const char *), &NamedEntity::identifierChanged> IdentifierChangedCaller;
};
class RenderableNamedEntity : public OpenGLRenderable {
const NamedEntity &m_named;
const Vector3 &m_position;
public:
RenderableNamedEntity(const NamedEntity &named, const Vector3 &position)
: m_named(named), m_position(position)
{
}
void render(RenderStateFlags state) const
{
glRasterPos3fv(vector3_to_array(m_position));
GlobalOpenGL().drawString(m_named.name());
}
};
#endif