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/* This file is part of the Spring engine (GPL v2 or later), see LICENSE.html */
#ifndef OBJECT_H
#define OBJECT_H
#include <map>
#include <set>
#include <array>
#include "ObjectDependenceTypes.h"
#include "System/Platform/Threading.h"
#include "System/creg/creg_cond.h"
class CObject
{
public:
CR_DECLARE(CObject)
CObject();
virtual ~CObject();
void Serialize(creg::ISerializer* ser);
void PostLoad();
/// Request to not inform this when obj dies
virtual void DeleteDeathDependence(CObject* obj, DependenceType dep);
/// Request to inform this when obj dies
virtual void AddDeathDependence(CObject* obj, DependenceType dep);
/// Called when an object died, that this is interested in
virtual void DependentDied(CObject* obj);
/*
// Possible future replacement for dynamic_cast (10x faster)
// Identifier bits for classes that have subclasses
enum {WORLDOBJECT_BIT=8,SOLIDOBJECT_BIT,UNIT_BIT,BUILDING_BIT,MOVETYPE_BIT,AAIRMOVETYPE_BIT,
COMMANDAI_BIT,EXPGENSPAWNABLE_BIT,PROJECTILE_BIT,SMOKEPROJECTILE_BIT,WEAPON_BIT};
// Class hierarchy for the relevant classes
enum {
OBJECT=0,
WORLDOBJECT=(1<<WORLDOBJECT_BIT),
SOLIDOBJECT=(1<<SOLIDOBJECT_BIT)|WORLDOBJECT,
FEATURE,
UNIT=(1<<UNIT_BIT)|SOLIDOBJECT,
BUILDER,TRANSPORTUNIT,
BUILDING=(1<<BUILDING_BIT)|UNIT,
FACTORY,EXTRACTORBUILDING,
MOVETYPE=(1<<MOVETYPE_BIT),
GROUNDMOVETYPE,
AAIRMOVETYPE=(1<<AAIRMOVETYPE_BIT)|MOVETYPE,
AIRMOVETYPE,
TAAIRMOVETYPE,
COMMANDAI=(1<<COMMANDAI_BIT),
FACTORYCAI,MOBILECAI,
EXPGENSPAWNABLE=(1<<EXPGENSPAWNABLE_BIT),
PROJECTILE=(1<<PROJECTILE_BIT)|EXPGENSPAWNABLE,
SHIELDPARTPROJECTILE,
SMOKEPROJECTILE=(1<<SMOKEPROJECTILE_BIT)|PROJECTILE,
GEOTHERMSMOKEPROJECTILE,
WEAPON=(1<<WEAPON_BIT),
DGUNWEAPON,BEAMLASER
};
// Must also set objType in the contstructors of all classes that need to use this feature
unsigned objType;
#define INSTANCE_OF_SUBCLASS_OF(type,obj) ((obj->objType & kind) == kind) // exact class or any subclass of it
#define INSTANCE_OF(type,obj) (obj->objType == type) // exact class only, saves one instruction yay :)
*/
private:
// Note, this has nothing to do with the UnitID, FeatureID, ...
// It's only purpose is to make the sorting in TSyncSafeSet syncsafe
boost::int64_t sync_id;
static Threading::AtomicCounterInt64 cur_sync_id;
// makes std::set<T*> syncsafe (else iteration order depends on the pointer's address, which is not syncsafe)
struct syncsafe_compare
{
bool operator() (const CObject* const& a1, const CObject* const& a2) const
{
// I don't think the default less-op is sync-safe
//return a1 < a2;
return a1->sync_id < a2->sync_id;
}
};
public:
typedef std::set<CObject*, syncsafe_compare> TSyncSafeSet;
typedef std::array<TSyncSafeSet*, DEPENDENCE_COUNT> TDependenceMap;
bool detached;
protected:
const TSyncSafeSet& GetListeners(const DependenceType dep) { return listeners[dep] ? *listeners[dep] : *(listeners[dep] = new TSyncSafeSet()); }
const TDependenceMap& GetAllListeners() const { return listeners; }
const TSyncSafeSet& GetListening(const DependenceType dep) { return listening[dep] ? *listening[dep] : *(listening[dep] = new TSyncSafeSet()); }
const TDependenceMap& GetAllListening() const { return listening; }
protected:
TDependenceMap listeners;
TDependenceMap listening;
};
#endif /* OBJECT_H */
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