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/***************************************************************************
* Copyright (C) 2005-2013 by the FIFE team *
* http://www.fifengine.net *
* This file is part of FIFE. *
* *
* FIFE is free software; you can redistribute it and/or *
* modify it under the terms of the GNU Lesser General Public *
* License as published by the Free Software Foundation; either *
* version 2.1 of the License, or (at your option) any later version. *
* *
* This library 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 *
* Lesser General Public License for more details. *
* *
* You should have received a copy of the GNU Lesser General Public *
* License along with this library; if not, write to the *
* Free Software Foundation, Inc., *
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA *
***************************************************************************/
// Standard C++ library includes
// 3rd party library includes
// FIFE includes
// These includes are split up in two parts, separated by one empty line
// First block: files included from the FIFE root src directory
// Second block: files included from the same folder
#include "video/renderbackend.h"
#include "util/math/fife_math.h"
#include "util/log/logger.h"
#include "model/structures/instance.h"
#include "model/structures/layer.h"
#include "model/structures/location.h"
#include "view/camera.h"
#include "renderernode.h"
namespace FIFE {
static Logger _log(LM_VIEWVIEW);
class NodeInstanceDeleteListener : public InstanceDeleteListener {
public:
NodeInstanceDeleteListener(RendererNode* node) {
m_node = node;
}
virtual ~NodeInstanceDeleteListener() {}
virtual void onInstanceDeleted(Instance* instance) {
m_node->removeInstance(instance, false);
}
private:
RendererNode* m_node;
};
RendererNode::RendererNode(Instance* attached_instance, const Location &relative_location, Layer* relative_layer, const Point &relative_point):
m_instance(NULL),
m_location(relative_location),
m_layer(relative_layer),
m_point(relative_point),
m_listener(NULL) {
addInstance(attached_instance);
}
RendererNode::RendererNode(Instance* attached_instance, const Location &relative_location, const Point &relative_point):
m_instance(NULL),
m_location(relative_location),
m_layer(NULL),
m_point(relative_point),
m_listener(NULL) {
addInstance(attached_instance);
}
RendererNode::RendererNode(Instance* attached_instance, Layer* relative_layer, const Point &relative_point):
m_instance(NULL),
m_location(NULL),
m_layer(relative_layer),
m_point(relative_point),
m_listener(NULL) {
addInstance(attached_instance);
}
RendererNode::RendererNode(Instance* attached_instance, const Point &relative_point):
m_instance(NULL),
m_location(NULL),
m_layer(NULL),
m_point(relative_point),
m_listener(NULL) {
addInstance(attached_instance);
}
RendererNode::RendererNode(const Location &attached_location, Layer* relative_layer, const Point &relative_point):
m_instance(NULL),
m_location(attached_location),
m_layer(relative_layer),
m_point(relative_point),
m_listener(NULL) {
}
RendererNode::RendererNode(const Location &attached_location, const Point &relative_point):
m_instance(NULL),
m_location(attached_location),
m_layer(NULL),
m_point(relative_point),
m_listener(NULL) {
}
RendererNode::RendererNode(Layer* attached_layer, const Point &relative_point):
m_instance(NULL),
m_location(NULL),
m_layer(attached_layer),
m_point(relative_point),
m_listener(NULL) {
}
RendererNode::RendererNode(const Point &attached_point):
m_instance(NULL),
m_location(NULL),
m_layer(NULL),
m_point(attached_point),
m_listener(NULL) {
}
RendererNode::RendererNode(const RendererNode& old):
m_instance(NULL),
m_location(old.m_location),
m_layer(old.m_layer),
m_point(old.m_point),
m_listener(NULL) {
addInstance(old.m_instance);
}
RendererNode& RendererNode::operator=(const RendererNode &source) {
if (this != &source) {
changeInstance(source.m_instance);
m_location = source.m_location;
m_layer = source.m_layer;
m_point = source.m_point;
}
return *this;
}
RendererNode::~RendererNode() {
removeInstance(m_instance);
delete m_listener;
}
void RendererNode::setAttached(Instance* attached_instance, const Location &relative_location, const Point &relative_point) {
changeInstance(attached_instance);
m_location = relative_location;
m_point = relative_point;
}
void RendererNode::setAttached(Instance* attached_instance, const Location &relative_location) {
changeInstance(attached_instance);
m_location = relative_location;
}
void RendererNode::setAttached(Instance* attached_instance, const Point &relative_point) {
changeInstance(attached_instance);
m_point = relative_point;
}
void RendererNode::setAttached(Instance* attached_instance) {
changeInstance(attached_instance);
}
void RendererNode::setAttached(const Location &attached_location, const Point &relative_point) {
changeInstance(NULL);
m_location = attached_location;
m_point = relative_point;
}
void RendererNode::setAttached(const Location &attached_location) {
changeInstance(NULL);
m_location = attached_location;
}
void RendererNode::setAttached(Layer* attached_layer) {
m_layer = attached_layer;
}
void RendererNode::setAttached(const Point &attached_point) {
changeInstance(NULL);
m_location = NULL;
m_point = attached_point;
}
void RendererNode::setRelative(const Location &relative_location) {
if(m_instance == NULL) {
FL_WARN(_log, LMsg("RendererNode::setRelative(Location) - ") << "No instance attached.");
}
m_location = relative_location;
}
void RendererNode::setRelative(const Location &relative_location, Point relative_point) {
if(m_instance == NULL) {
FL_WARN(_log, LMsg("RendererNode::setRelative(Location, Point) - ") << "No instance attached.");
}
m_location = relative_location;
m_point = relative_point;
}
void RendererNode::setRelative(const Point &relative_point) {
if(m_instance == NULL || m_location == NULL) {
FL_WARN(_log, LMsg("RendererNode::setRelative(Point) - ") << "No instance or location attached.");
}
m_point = relative_point;
}
Instance* RendererNode::getAttachedInstance() {
if(m_instance == NULL) {
FL_WARN(_log, LMsg("RendererNode::getAttachedInstance() - ") << "No instance attached.");
}
return m_instance;
}
Location RendererNode::getAttachedLocation() {
if(m_instance != NULL || m_location == NULL) {
FL_WARN(_log, LMsg("RendererNode::getAttachedLocation() - ") << "No location attached.");
}
return m_location;
}
Layer* RendererNode::getAttachedLayer() {
if(m_layer == NULL) {
FL_WARN(_log, LMsg("RendererNode::getAttachedLayer() - ") << "No layer attached.");
}
return m_layer;
}
Point RendererNode::getAttachedPoint() {
if(m_instance != NULL || m_location != NULL) {
FL_WARN(_log, LMsg("RendererNode::getAttachedPoint() - ") << "No point attached.");
}
return m_point;
}
Location RendererNode::getOffsetLocation() {
if(m_instance == NULL || m_location == NULL) {
FL_WARN(_log, LMsg("RendererNode::getOffsetLocation() - ") << "No location as offset used.");
}
return m_location;
}
Point RendererNode::getOffsetPoint() {
if(m_instance == NULL && m_location == NULL) {
FL_WARN(_log, LMsg("RendererNode::getOffsetPoint() - ") << "No point as offset used.");
}
return m_point;
}
Instance* RendererNode::getInstance() {
return m_instance;
}
Location RendererNode::getLocation() {
return m_location;
}
const Location& RendererNode::getLocationRef() {
return m_location;
}
Layer* RendererNode::getLayer() {
return m_layer;
}
Point RendererNode::getPoint() {
return m_point;
}
const Point& RendererNode::getPointRef() {
return m_point;
}
void RendererNode::addInstance(Instance* instance) {
checkDeleteListener();
m_instance = instance;
if (m_instance) {
m_instance->addDeleteListener(m_listener);
}
}
void RendererNode::changeInstance(Instance* instance) {
if (m_instance == instance) {
return;
}
checkDeleteListener();
if (m_instance) {
m_instance->removeDeleteListener(m_listener);
}
m_instance = instance;
if (m_instance) {
m_instance->addDeleteListener(m_listener);
}
}
void RendererNode::removeInstance(Instance* instance, bool listener) {
if (m_instance == instance && instance) {
if (listener) {
m_instance->removeDeleteListener(m_listener);
}
m_instance = NULL;
}
}
void RendererNode::checkDeleteListener() {
if (m_listener) {
return;
}
m_listener = new NodeInstanceDeleteListener(this);
}
Point RendererNode::getCalculatedPoint(Camera* cam, Layer* layer, const bool zoomed) {
ScreenPoint p;
if(m_instance != NULL) {
if(m_layer == NULL) {
m_layer = m_instance->getLocationRef().getLayer();
}
if(m_location != NULL) {
p = cam->toScreenCoordinates(m_instance->getLocationRef().getMapCoordinates() + m_location.getMapCoordinates());
} else {
p = cam->toScreenCoordinates(m_instance->getLocationRef().getMapCoordinates());
}
} else if(m_location != NULL) {
if(m_layer == NULL) {
m_layer = m_location.getLayer();
}
p = cam->toScreenCoordinates(m_location.getMapCoordinates());
} else if(m_layer == NULL) {
// FIXME
FL_WARN(_log, LMsg("RendererNode::getCalculatedPoint(Camera, Layer) - ") << "No layer attached. So we use the first active layer of the renderer.");
setAttached(layer);
}
if(zoomed) {
return Point(round(m_point.x * cam->getZoom()) + p.x, round(m_point.y * cam->getZoom()) + p.y);
} else {
return Point(m_point.x + p.x, m_point.y + p.y);
}
}
}
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