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#pragma once
#include <QObject>
#include <QRunnable>
#include <memory>
// fwd:
class Region;
typedef std::shared_ptr<Region> RegionPtr;
class ChunkSource;
typedef std::shared_ptr<ChunkSource> ChunkSourcePtr;
class RegionLoader :
public QObject,
public QRunnable
{
Q_OBJECT
public:
RegionLoader(int a_RegionX, int a_RegionZ, RegionPtr a_Region, ChunkSourcePtr a_ChunkSource);
virtual ~RegionLoader() {}
/** Signals to all loaders that the app is shutting down and the loading should be aborted. */
static void shutdown() { m_IsShuttingDown = true; }
signals:
void loaded(int a_RegionX, int a_RegionZ);
protected:
virtual void run() override;
private:
/** Coords of the region to be loaded. */
int m_RegionX, m_RegionZ;
/** The region to be loaded. */
RegionPtr m_Region;
/** The chunk source to be used for individual chunks within the region. */
ChunkSourcePtr m_ChunkSource;
/** Flag that is set upon app exit to terminate the queued loaders faster. */
static volatile bool m_IsShuttingDown;
};
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