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#include "je_lua_object.h"
#include "je_lua.h"
namespace JinEngine
{
namespace Lua
{
void LuaObject::bind(Shared* obj)
{
if (obj)
{
shared = obj;
shared->retain();
dependencies = new std::map<uint, LuaObject*>();
}
}
void LuaObject::release()
{
// Delete lua shared table reference and references.
if (dependencies)
{
clearDependencies();
delete dependencies;
dependencies = nullptr;
}
// Try delete engine side shared.
if (shared)
{
shared->release();
shared = nullptr;
}
}
const char* LuaObject::getObjectType()
{
return type;
}
Shared* LuaObject::getShared()
{
return shared;
}
void LuaObject::setDependency(uint key, LuaObject* dep)
{
removeDependency(key);
dependencies->insert(std::pair<uint, LuaObject*>(key, dep));
luax_addreference(state, this, dep);
}
void LuaObject::removeDependency(uint key)
{
if (!isDependOn(key))
return;
DepsMap::iterator it = dependencies->find(key);
LuaObject* dep = it->second;
luax_removereference(state, this, dep);
dependencies->erase(it);
}
void LuaObject::removeDependency(LuaObject* dependency)
{
for (DepsMap::iterator it = dependencies->begin(); it != dependencies->end();)
{
LuaObject* dep = it->second;
if (dep == dependency)
{
luax_removereference(state, this, dep);
dependencies->erase(it);
}
else
++it;
}
}
bool LuaObject::isDependOn(uint key)
{
return dependencies->find(key) != dependencies->end();
}
bool LuaObject::isDependOn(LuaObject* shared)
{
for (std::pair<uint, LuaObject*> dep : (*dependencies))
{
if (dep.second == shared)
return true;
}
return false;
}
void LuaObject::clearDependencies()
{
luax_removereference(state, this);
dependencies->clear();
}
LuaObject* LuaObject::getDependency(uint key)
{
if (!isDependOn(key))
return nullptr;
return dependencies->find(key)->second;
}
int LuaObject::getDependenciesCount()
{
return dependencies->size();
}
}
}
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