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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 *
***************************************************************************/
#ifndef FIFE_VIEW_LAYERCACHE_H
#define FIFE_VIEW_LAYERCACHE_H
// Standard C++ library includes
#include <string>
#include <map>
#include <set>
// 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 "model/structures/location.h"
#include "util/math/matrix.h"
#include "util/structures/rect.h"
#include "util/structures/quadtree.h"
#include "model/metamodel/grids/cellgrid.h"
#include "rendererbase.h"
namespace FIFE {
class Camera;
class CacheLayerChangeListener;
class LayerCache {
public:
typedef QuadTree<std::set<int32_t> > CacheTree;
LayerCache(Camera* camera);
~LayerCache();
void setLayer(Layer* layer);
void update(Camera::Transform transform, RenderList& renderlist);
void addInstance(Instance* instance);
void removeInstance(Instance* instance);
void updateInstance(Instance* instance);
ImagePtr getCacheImage();
void setCacheImage(ImagePtr image);
private:
enum RenderEntryUpdateType {
EntryNoneUpdate = 0x00,
EntryVisualUpdate = 0x01,
EntryPositionUpdate = 0x02,
EntryFullUpdate = 0x03
};
typedef uint8_t RenderEntryUpdate;
struct Entry {
// Node in m_tree;
CacheTree::Node* node;
// Index in m_renderItems;
int32_t instanceIndex;
// Index in m_entries;
int32_t entryIndex;
// Force update for entries with animation
bool forceUpdate;
// Is visible
bool visible;
// Update info
RenderEntryUpdate updateInfo;
};
void collect(const Rect& viewport, std::vector<int32_t>& indices);
void reset();
void fullUpdate(Camera::Transform transform);
void updateEntries(std::set<int32_t>& removes, RenderList& renderlist);
bool updateVisual(Entry* entry);
void updatePosition(Entry* entry);
void sortRenderList(RenderList& renderlist);
Camera* m_camera;
Layer* m_layer;
CacheLayerChangeListener* m_layerObserver;
CacheTree* m_tree;
ImagePtr m_cacheImage;
std::map<Instance*, int32_t> m_instance_map;
std::vector<Entry*> m_entries;
std::vector<RenderItem*> m_renderItems;
std::set<int32_t> m_entriesToUpdate;
std::deque<int32_t> m_freeEntries;
bool m_needSorting;
double m_zMin;
double m_zMax;
double m_zoom;
bool m_zoomed;
bool m_straightZoom;
};
}
#endif
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