536 lines
14 KiB
C++
536 lines
14 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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///\file
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///\brief Represents any entity which does not have a fixed size specified in its entity-definition (except misc_model).
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///
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/// This entity behaves as a group, i.e. it contains brushes.
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#include "cullable.h"
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#include "renderable.h"
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#include "editable.h"
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#include "selectionlib.h"
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#include "instancelib.h"
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#include "transformlib.h"
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#include "traverselib.h"
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#include "entitylib.h"
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#include "render.h"
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#include "eclasslib.h"
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#include "targetable.h"
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#include "origin.h"
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#include "angles.h"
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#include "scale.h"
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#include "filters.h"
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#include "namedentity.h"
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#include "keyobservers.h"
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#include "namekeys.h"
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#include "entity.h"
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/// The "origin" key directly controls the entity's local-to-parent transform.
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class Group {
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EntityKeyValues m_entity;
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KeyObserverMap m_keyObservers;
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MatrixTransform m_transform;
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TraversableNodeSet m_traverse;
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ClassnameFilter m_filter;
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NamedEntity m_named;
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NameKeys m_nameKeys;
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OriginKey m_originKey;
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Vector3 m_origin;
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RenderableNamedEntity m_renderName;
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mutable Vector3 m_name_origin;
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Callback<void()> m_transformChanged;
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Callback<void()> m_evaluateTransform;
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void construct()
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{
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m_keyObservers.insert("classname", ClassnameFilter::ClassnameChangedCaller(m_filter));
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m_keyObservers.insert(Static<KeyIsName>::instance().m_nameKey, NamedEntity::IdentifierChangedCaller(m_named));
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m_keyObservers.insert("origin", OriginKey::OriginChangedCaller(m_originKey));
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}
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public:
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Group(EntityClass *eclass, scene::Node &node, const Callback<void()> &transformChanged,
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const Callback<void()> &evaluateTransform) :
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m_entity(eclass),
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m_filter(m_entity, node),
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m_named(m_entity),
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m_nameKeys(m_entity),
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m_originKey(OriginChangedCaller(*this)),
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m_origin(ORIGINKEY_IDENTITY),
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m_renderName(m_named, m_name_origin),
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m_name_origin(g_vector3_identity),
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m_transformChanged(transformChanged),
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m_evaluateTransform(evaluateTransform)
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{
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construct();
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}
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Group(const Group &other, scene::Node &node, const Callback<void()> &transformChanged,
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const Callback<void()> &evaluateTransform) :
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m_entity(other.m_entity),
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m_filter(m_entity, node),
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m_named(m_entity),
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m_nameKeys(m_entity),
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m_originKey(OriginChangedCaller(*this)),
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m_origin(ORIGINKEY_IDENTITY),
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m_renderName(m_named, g_vector3_identity),
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m_transformChanged(transformChanged),
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m_evaluateTransform(evaluateTransform)
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{
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construct();
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}
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InstanceCounter m_instanceCounter;
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void instanceAttach(const scene::Path &path)
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{
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if (++m_instanceCounter.m_count == 1) {
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m_filter.instanceAttach();
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m_entity.instanceAttach(path_find_mapfile(path.begin(), path.end()));
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m_traverse.instanceAttach(path_find_mapfile(path.begin(), path.end()));
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m_entity.attach(m_keyObservers);
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}
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}
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void instanceDetach(const scene::Path &path)
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{
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if (--m_instanceCounter.m_count == 0) {
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m_entity.detach(m_keyObservers);
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m_traverse.instanceDetach(path_find_mapfile(path.begin(), path.end()));
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m_entity.instanceDetach(path_find_mapfile(path.begin(), path.end()));
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m_filter.instanceDetach();
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}
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}
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EntityKeyValues &getEntity()
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{
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return m_entity;
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}
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const EntityKeyValues &getEntity() const
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{
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return m_entity;
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}
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scene::Traversable &getTraversable()
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{
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return m_traverse;
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}
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Namespaced &getNamespaced()
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{
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return m_nameKeys;
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}
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Nameable &getNameable()
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{
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return m_named;
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}
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TransformNode &getTransformNode()
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{
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return m_transform;
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}
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void attach(scene::Traversable::Observer *observer)
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{
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m_traverse.attach(observer);
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}
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void detach(scene::Traversable::Observer *observer)
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{
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m_traverse.detach(observer);
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}
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void renderSolid(Renderer &renderer, const VolumeTest &volume, const Matrix4 &localToWorld) const
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{
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renderer.SetState(m_entity.getEntityClass().m_state_wire, Renderer::eWireframeOnly);
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}
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void renderWireframe(Renderer &renderer, const VolumeTest &volume, const Matrix4 &localToWorld,
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const AABB &childBounds) const
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{
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renderSolid(renderer, volume, localToWorld);
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if (g_showNames) {
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// don't draw the name for worldspawn
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if (!strcmp(m_entity.getEntityClass().name(), "worldspawn")) {
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return;
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}
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// place name in the middle of the "children cloud"
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m_name_origin = childBounds.origin;
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renderer.addRenderable(m_renderName, localToWorld);
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}
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}
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void updateTransform()
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{
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m_transform.localToParent() = g_matrix4_identity;
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matrix4_translate_by_vec3(m_transform.localToParent(), m_origin);
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m_transformChanged();
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}
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typedef MemberCaller<Group, void(), &Group::updateTransform> UpdateTransformCaller;
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void originChanged()
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{
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m_origin = m_originKey.m_origin;
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updateTransform();
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}
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typedef MemberCaller<Group, void(), &Group::originChanged> OriginChangedCaller;
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void translate(const Vector3 &translation)
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{
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m_origin = origin_translated(m_origin, translation);
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}
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void revertTransform()
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{
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m_origin = m_originKey.m_origin;
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}
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void freezeTransform()
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{
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m_originKey.m_origin = m_origin;
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m_originKey.write(&m_entity);
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}
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void transformChanged()
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{
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revertTransform();
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m_evaluateTransform();
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updateTransform();
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}
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typedef MemberCaller<Group, void(), &Group::transformChanged> TransformChangedCaller;
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};
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#if 0
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class TransformableSetTranslation
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{
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Translation m_value;
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public:
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TransformableSetTranslation( const Translation& value ) : m_value( value ){
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}
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void operator()( Transformable& transformable ) const {
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transformable.setTranslation( m_value );
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}
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};
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class TransformableSetRotation
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{
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Rotation m_value;
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public:
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TransformableSetRotation( const Rotation& value ) : m_value( value ){
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}
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void operator()( Transformable& transformable ) const {
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transformable.setRotation( m_value );
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}
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};
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class TransformableSetScale
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{
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Scale m_value;
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public:
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TransformableSetScale( const Scale& value ) : m_value( value ){
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}
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void operator()( Transformable& transformable ) const {
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transformable.setScale( m_value );
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}
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};
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class TransformableSetType
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{
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TransformModifierType m_value;
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public:
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TransformableSetType( const TransformModifierType& value ) : m_value( value ){
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}
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void operator()( Transformable& transformable ) const {
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transformable.setType( m_value );
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}
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};
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class TransformableFreezeTransform
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{
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TransformModifierType m_value;
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public:
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void operator()( Transformable& transformable ) const {
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transformable.freezeTransform();
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}
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};
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template<typename Functor>
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inline void Scene_forEachChildTransformable( const Functor& functor, const scene::Path& path ){
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GlobalSceneGraph().traverse_subgraph( ChildInstanceWalker< InstanceApply<Transformable, Functor> >( functor ), path );
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}
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#endif
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class GroupInstance :
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public TargetableInstance,
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public TransformModifier,
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#if 0
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public Transformable,
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#endif
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public Renderable {
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class TypeCasts {
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InstanceTypeCastTable m_casts;
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public:
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TypeCasts()
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{
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m_casts = TargetableInstance::StaticTypeCasts::instance().get();
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InstanceStaticCast<GroupInstance, Renderable>::install(m_casts);
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#if 0
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InstanceStaticCast<GroupInstance, Transformable>::install( m_casts );
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#endif
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}
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InstanceTypeCastTable &get()
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{
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return m_casts;
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}
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};
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Group &m_contained;
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public:
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typedef LazyStatic<TypeCasts> StaticTypeCasts;
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GroupInstance(const scene::Path &path, scene::Instance *parent, Group &group) :
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TargetableInstance(path, parent, this, StaticTypeCasts::instance().get(), group.getEntity(), *this),
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TransformModifier(Group::TransformChangedCaller(group), ApplyTransformCaller(*this)),
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m_contained(group)
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{
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m_contained.instanceAttach(Instance::path());
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StaticRenderableConnectionLines::instance().attach(*this);
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}
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~GroupInstance()
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{
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StaticRenderableConnectionLines::instance().detach(*this);
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m_contained.instanceDetach(Instance::path());
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}
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void renderSolid(Renderer &renderer, const VolumeTest &volume) const
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{
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m_contained.renderSolid(renderer, volume, Instance::localToWorld());
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}
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void renderWireframe(Renderer &renderer, const VolumeTest &volume) const
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{
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m_contained.renderWireframe(renderer, volume, Instance::localToWorld(), Instance::childBounds());
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}
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STRING_CONSTANT(Name, "GroupInstance");
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#if 0
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void setType( TransformModifierType type ){
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Scene_forEachChildTransformable( TransformableSetType( type ), Instance::path() );
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}
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void setTranslation( const Translation& value ){
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Scene_forEachChildTransformable( TransformableSetTranslation( value ), Instance::path() );
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}
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void setRotation( const Rotation& value ){
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Scene_forEachChildTransformable( TransformableSetRotation( value ), Instance::path() );
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}
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void setScale( const Scale& value ){
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Scene_forEachChildTransformable( TransformableSetScale( value ), Instance::path() );
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}
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void freezeTransform(){
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Scene_forEachChildTransformable( TransformableFreezeTransform(), Instance::path() );
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}
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void evaluateTransform(){
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}
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#endif
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void evaluateTransform()
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{
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if (getType() == TRANSFORM_PRIMITIVE) {
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m_contained.translate(getTranslation());
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}
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}
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void applyTransform()
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{
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m_contained.revertTransform();
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evaluateTransform();
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m_contained.freezeTransform();
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}
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typedef MemberCaller<GroupInstance, void(), &GroupInstance::applyTransform> ApplyTransformCaller;
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};
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class GroupNode :
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public scene::Node::Symbiot,
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public scene::Instantiable,
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public scene::Cloneable,
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public scene::Traversable::Observer {
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class TypeCasts {
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NodeTypeCastTable m_casts;
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public:
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TypeCasts()
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{
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NodeStaticCast<GroupNode, scene::Instantiable>::install(m_casts);
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NodeStaticCast<GroupNode, scene::Cloneable>::install(m_casts);
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NodeContainedCast<GroupNode, scene::Traversable>::install(m_casts);
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NodeContainedCast<GroupNode, TransformNode>::install(m_casts);
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NodeContainedCast<GroupNode, Entity>::install(m_casts);
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NodeContainedCast<GroupNode, Nameable>::install(m_casts);
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NodeContainedCast<GroupNode, Namespaced>::install(m_casts);
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}
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NodeTypeCastTable &get()
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{
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return m_casts;
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}
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};
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scene::Node m_node;
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InstanceSet m_instances;
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Group m_contained;
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void construct()
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{
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m_contained.attach(this);
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}
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void destroy()
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{
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m_contained.detach(this);
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}
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public:
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typedef LazyStatic<TypeCasts> StaticTypeCasts;
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scene::Traversable &get(NullType<scene::Traversable>)
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{
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return m_contained.getTraversable();
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}
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TransformNode &get(NullType<TransformNode>)
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{
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return m_contained.getTransformNode();
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}
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Entity &get(NullType<Entity>)
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{
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return m_contained.getEntity();
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}
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Nameable &get(NullType<Nameable>)
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{
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return m_contained.getNameable();
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}
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Namespaced &get(NullType<Namespaced>)
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{
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return m_contained.getNamespaced();
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}
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GroupNode(EntityClass *eclass) :
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m_node(this, this, StaticTypeCasts::instance().get()),
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m_contained(eclass, m_node, InstanceSet::TransformChangedCaller(m_instances),
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InstanceSetEvaluateTransform<GroupInstance>::Caller(m_instances))
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{
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construct();
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}
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GroupNode(const GroupNode &other) :
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scene::Node::Symbiot(other),
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scene::Instantiable(other),
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scene::Cloneable(other),
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scene::Traversable::Observer(other),
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m_node(this, this, StaticTypeCasts::instance().get()),
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m_contained(other.m_contained, m_node, InstanceSet::TransformChangedCaller(m_instances),
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InstanceSetEvaluateTransform<GroupInstance>::Caller(m_instances))
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{
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construct();
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}
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~GroupNode()
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{
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destroy();
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}
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void release()
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{
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delete this;
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}
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scene::Node &node()
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{
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return m_node;
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}
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scene::Node &clone() const
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{
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return (new GroupNode(*this))->node();
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}
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void insert(scene::Node &child)
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{
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m_instances.insert(child);
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}
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void erase(scene::Node &child)
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{
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m_instances.erase(child);
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}
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scene::Instance *create(const scene::Path &path, scene::Instance *parent)
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{
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return new GroupInstance(path, parent, m_contained);
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}
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void forEachInstance(const scene::Instantiable::Visitor &visitor)
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{
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m_instances.forEachInstance(visitor);
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}
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void insert(scene::Instantiable::Observer *observer, const scene::Path &path, scene::Instance *instance)
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{
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m_instances.insert(observer, path, instance);
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}
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scene::Instance *erase(scene::Instantiable::Observer *observer, const scene::Path &path)
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{
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return m_instances.erase(observer, path);
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}
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};
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scene::Node &New_Group(EntityClass *eclass)
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{
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return (new GroupNode(eclass))->node();
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}
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