sippeangelo
66 lines
2.0 KiB
C++
66 lines
2.0 KiB
C++
#ifndef ComponentWrapper_h__
|
|
#define ComponentWrapper_h__
|
|
|
|
#include "../Common.h"
|
|
#include "EntityWrapper.h"
|
|
#include "ComponentInfo.h"
|
|
|
|
struct ComponentWrapper
|
|
{
|
|
ComponentWrapper(const ComponentInfo& componentInfo, char* data)
|
|
: Info(componentInfo)
|
|
, EntityID(*reinterpret_cast<::EntityID*>(data))
|
|
, Data(data + sizeof(EntityID))
|
|
{ }
|
|
|
|
const ComponentInfo& Info;
|
|
const ::EntityID EntityID;
|
|
char* Data;
|
|
|
|
template <typename T>
|
|
T& Property(std::string name)
|
|
{
|
|
unsigned int offset = Info.FieldOffsets.at(name);
|
|
return *reinterpret_cast<T*>(&Data[offset]);
|
|
}
|
|
|
|
template <typename T>
|
|
void SetProperty(std::string name, const T value) { Property<T>(name) = value; }
|
|
//template <typename T>
|
|
//void SetProperty(std::string name, T& value) { Property<T>(name) = value; }
|
|
|
|
// Specialization for string literals
|
|
template <std::size_t N>
|
|
void SetProperty(std::string name, const char(&value)[N]) { Property<std::string>(name) = std::string(value); }
|
|
|
|
struct SubscriptProxy
|
|
{
|
|
friend struct ComponentWrapper;
|
|
private:
|
|
SubscriptProxy(ComponentWrapper* component, std::string propertyName)
|
|
: m_Component(component)
|
|
, m_PropertyName(propertyName)
|
|
{ }
|
|
|
|
ComponentWrapper* m_Component;
|
|
std::string m_PropertyName;
|
|
|
|
public:
|
|
template <typename T>
|
|
operator T&() { return m_Component->Property<T>(m_PropertyName); }
|
|
|
|
template <typename T>
|
|
void operator=(const T val) { m_Component->SetProperty<T>(m_PropertyName, val); }
|
|
// TODO: Pass by reference and rvalue (universal reference?)
|
|
//template <typename T>
|
|
//void operator=(T& val) { m_Component->SetProperty<T>(m_PropertyName, val); }
|
|
|
|
// Specialization for string literals
|
|
template<std::size_t N>
|
|
void operator=(const char(&val)[N]) { m_Component->SetProperty<N>(m_PropertyName, val); }
|
|
};
|
|
SubscriptProxy operator[](std::string propertyName) { return SubscriptProxy(this, propertyName); }
|
|
};
|
|
|
|
#endif
|