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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 <atomic>
#include <vector>
#include "ObjectDependenceTypes.h"
#include "System/creg/creg_cond.h"
#include "System/UnorderedMap.hpp"
class CObject
{
public:
CR_DECLARE(CObject)
CObject();
virtual ~CObject();
/// 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
/// Any derived implementations should *NOT* modify listening
/// or listeners because we iterate over both within our dtor
/// when calling this
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 :)
*/
std::int64_t GetSyncID() const { return sync_id; }
private:
// Note, this has nothing to do with the UnitID, FeatureID, ...
// Its only purpose is to make the sorting in TSyncSafeSet syncsafe
std::int64_t sync_id;
static std::atomic<std::int64_t> cur_sync_id;
public:
typedef std::vector<CObject*> TSyncSafeSet;
typedef std::vector<TSyncSafeSet> TDependenceMap;
bool detached;
protected:
const TSyncSafeSet& GetListeners(const DependenceType dep) {
const auto it = listenersDepTbl.find(dep);
if (it == listenersDepTbl.end()) {
listeners.emplace_back();
listenersDepTbl[dep] = listeners.size() - 1;
return (listeners.back());
}
return (listeners[it->second]);
}
const TSyncSafeSet& GetListening(const DependenceType dep) {
const auto it = listeningDepTbl.find(dep);
if (it == listeningDepTbl.end()) {
listening.emplace_back();
listeningDepTbl[dep] = listening.size() - 1;
return (listening.back());
}
return (listening[it->second]);
}
const TDependenceMap& GetAllListeners() const { return listeners; }
const TDependenceMap& GetAllListening() const { return listening; }
protected:
spring::unordered_map<int, size_t> listenersDepTbl; // maps dependence-type to index into listeners
spring::unordered_map<int, size_t> listeningDepTbl; // maps dependence-type to index into listening
TDependenceMap listeners;
TDependenceMap listening;
};
#endif /* OBJECT_H */
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