Created a wrapper for field types that is able to detect changes to set dirty flags in the future

This commit is contained in:
2016-03-12 00:38:26 +01:00
parent b7d93058b1
commit a4b0b108d4
+157 -4
View File
@@ -4,11 +4,13 @@
#include <boost/shared_array.hpp>
#include <boost/any.hpp>
#include "../Common.h"
#include "../GLM.h"
#include "Entity.h"
#include "ComponentInfo.h"
#include "DirtySet.h"
#include "Util/Any.h"
struct ComponentWrapper
{
ComponentWrapper(const ComponentInfo& componentInfo, char* data, ::DirtyBitField* dirtyBitField)
@@ -105,7 +107,8 @@ struct ComponentWrapper
struct SubscriptProxy
{
friend struct ComponentWrapper;
private:
public:
SubscriptProxy(ComponentWrapper* component, std::string fieldName)
: m_Component(component)
, m_FieldName(fieldName)
@@ -120,11 +123,53 @@ struct ComponentWrapper
bool Dirty(DirtySetType type) { return m_Component->Dirty(type, m_FieldName); }
void SetDirty(DirtySetType type, bool dirty = true) { m_Component->SetDirty(type, m_FieldName, dirty); }
template <typename T>
operator T&() { return m_Component->Field<T>(m_FieldName); }
//template <
// typename T,
// typename = typename std::enable_if<!std::is_base_of<::FIELDLOL, T>::value>::type
//>
// operator const T&() { return m_Component->Field<T>(m_FieldName); }
operator const double&() { return m_Component->Field<double>(m_FieldName); }
operator const float&() { return m_Component->Field<float>(m_FieldName); }
operator const int&() { return m_Component->Field<int>(m_FieldName); }
operator const glm::vec3&() { return m_Component->Field<glm::vec3>(m_FieldName); }
operator const glm::vec4&() { return m_Component->Field<glm::vec4>(m_FieldName); }
operator const glm::quat&() { return m_Component->Field<glm::quat>(m_FieldName); }
operator const bool&() { return m_Component->Field<bool>(m_FieldName); }
operator const std::string&() { return m_Component->Field<std::string>(m_FieldName); }
template <
typename T,
typename = typename std::enable_if<!std::is_base_of<::FIELDLOL, T>::value>::type
>
//operator T&() { static_assert(constexpr(false), "FU"); }
operator T&() = delete;
/* template <
typename T,
typename = typename std::enable_if<!std::is_base_of<::FIELDLOL, T>::value>::type
>
operator T&() { static_assert(constexpr(false), "FU"); }*/
//template <typename T>
//operator typename std::enable_if<!std::is_base_of<::FIELDLOL, T>::value, T>::type() { return m_Component->Field<T>(m_FieldName); }
//template <typename T>
//operator Field<T>()
//{
// return ::Field<T>(m_Component->Field<T>(m_FieldName));
//}
//operator std::string() { return m_Component->Field<std::string>(m_FieldName); }
//operator glm::vec3() { return m_Component->Field<glm::vec3>(m_FieldName); }
//template <typename T>
//operator glm::vec3() { return m_Component->Field<glm::vec3>(m_FieldName); }
//template <typename T>
//operator const T&() { return m_Component->Field<T>(m_FieldName); }
template <typename T>
void operator=(const T val) { m_Component->SetField<T>(m_FieldName, val); }
void operator=(const T& val) { m_Component->SetField<T>(m_FieldName, val); }
// TODO: Pass by reference and rvalue (universal reference?)
//template <typename T>
//void operator=(T& val) { m_Component->SetField<T>(m_PropertyName, val); }
@@ -136,6 +181,114 @@ struct ComponentWrapper
SubscriptProxy operator[](const std::string& propertyName) { return SubscriptProxy(this, propertyName); }
};
struct FIELDLOL {};
template <typename T>
struct FieldBase : FIELDLOL
{
FieldBase(ComponentWrapper::SubscriptProxy& proxy)
: Data(proxy.m_Component->Field<T>(proxy.m_FieldName))
{ }
FieldBase& operator=(const FieldBase& rhs) { Data = rhs.Data; return *this; }
FieldBase& operator=(const T& rhs) { Data = rhs; return *this; }
template <typename T2> FieldBase& operator+=(const T2& rhs) { Data += rhs; return *this; }
template <typename T2> FieldBase& operator-=(const T2& rhs) { Data -= rhs; return *this; }
template <typename T2> FieldBase& operator*=(const T2& rhs) { Data *= rhs; return *this; }
template <typename T2> FieldBase& operator/=(const T2& rhs) { Data /= rhs; return *this; }
template <typename T2> FieldBase& operator%=(const T2& rhs) { Data %= rhs; return *this; }
template <typename T2> FieldBase& operator&=(const T2& rhs) { Data &= rhs; return *this; }
template <typename T2> FieldBase& operator|=(const T2& rhs) { Data |= rhs; return *this; }
template <typename T2> FieldBase& operator^=(const T2& rhs) { Data ^= rhs; return *this; }
template <typename T2> FieldBase& operator<<=(const T2& rhs) { Data <<= rhs; return *this; }
template <typename T2> FieldBase& operator>>=(const T2& rhs) { Data >>= rhs; return *this; }
T operator+() const { return +Data; }
T operator-() const { return -Data; }
T operator~() const { return ~Data; }
FieldBase& operator++() { Data++; return *this; }
T operator++(int) { T tmp = Data; operator++(); return tmp; }
FieldBase& operator--() { Data--; return *this; }
T operator--(int) { T tmp = Data; operator--(); return tmp; }
operator const T&() const { return Data; }
const T& operator*() const { return operator const T&(); }
protected:
T& Data;
};
template <typename T>
struct Field : FieldBase<T>
{
//Field(T& Data)
// : FieldBase(Data)
//{ }
using FieldBase<T>::FieldBase;
using FieldBase<T>::operator=;
};
template <>
struct Field<glm::vec3> : FieldBase<glm::vec3>
{
//Field(glm::vec3& Data)
// : FieldBase(Data)
//{ }
using FieldBase<glm::vec3>::FieldBase;
using FieldBase<glm::vec3>::operator=;
glm::vec3::value_type x() { return Data.x; }
void x(glm::vec3::value_type val) { Data.x = val; }
glm::vec3::value_type y() { return Data.y; }
void y(glm::vec3::value_type val) { Data.y = val; }
glm::vec3::value_type z() { return Data.z; }
void z(glm::vec3::value_type val) { Data.z = val; }
template <typename T> friend glm::vec3 operator+(const Field<glm::vec3>& lhs, const T& rhs) { return static_cast<glm::vec3>(lhs) + glm::vec3(rhs); }
template <typename T> friend glm::vec3 operator-(const Field<glm::vec3>& lhs, const T& rhs) { return static_cast<glm::vec3>(lhs) - glm::vec3(rhs); }
template <typename T> friend glm::vec3 operator*(const Field<glm::vec3>& lhs, const T& rhs) { return static_cast<glm::vec3>(lhs) * glm::vec3(rhs); }
template <typename T> friend glm::vec3 operator/(const Field<glm::vec3>& lhs, const T& rhs) { return static_cast<glm::vec3>(lhs) / glm::vec3(rhs); }
template <typename T> friend glm::vec3 operator+(const T& lhs, const Field<glm::vec3>& rhs) { return glm::vec3(lhs) + static_cast<glm::vec3>(rhs); }
template <typename T> friend glm::vec3 operator-(const T& lhs, const Field<glm::vec3>& rhs) { return glm::vec3(lhs) - static_cast<glm::vec3>(rhs); }
template <typename T> friend glm::vec3 operator*(const T& lhs, const Field<glm::vec3>& rhs) { return glm::vec3(lhs) * static_cast<glm::vec3>(rhs); }
template <typename T> friend glm::vec3 operator/(const T& lhs, const Field<glm::vec3>& rhs) { return glm::vec3(lhs) / static_cast<glm::vec3>(rhs); }
friend glm::vec3& operator+=(glm::vec3& lhs, const Field<glm::vec3>& rhs) { lhs += *rhs; return lhs; }
};
template <>
struct Field<glm::vec4> : FieldBase<glm::vec4>
{
//Field(glm::vec4& Data)
// : FieldBase(Data)
//{ }
using FieldBase<glm::vec4>::FieldBase;
using FieldBase<glm::vec4>::operator=;
glm::vec4::value_type x() { return Data.x; }
void x(glm::vec4::value_type val) { Data.x = val; }
glm::vec4::value_type y() { return Data.y; }
void y(glm::vec4::value_type val) { Data.y = val; }
glm::vec4::value_type z() { return Data.z; }
void z(glm::vec4::value_type val) { Data.z = val; }
glm::vec4::value_type w() { return Data.w; }
void w(glm::vec4::value_type val) { Data.w = val; }
template <typename T> friend glm::vec4 operator+(const Field<glm::vec4>& lhs, const T& rhs) { return static_cast<glm::vec4>(lhs) + glm::vec4(rhs); }
template <typename T> friend glm::vec4 operator-(const Field<glm::vec4>& lhs, const T& rhs) { return static_cast<glm::vec4>(lhs) - glm::vec4(rhs); }
template <typename T> friend glm::vec4 operator*(const Field<glm::vec4>& lhs, const T& rhs) { return static_cast<glm::vec4>(lhs) * glm::vec4(rhs); }
template <typename T> friend glm::vec4 operator/(const Field<glm::vec4>& lhs, const T& rhs) { return static_cast<glm::vec4>(lhs) / glm::vec4(rhs); }
template <typename T> friend glm::vec4 operator+(const T& lhs, const Field<glm::vec4>& rhs) { return glm::vec4(lhs) + static_cast<glm::vec4>(rhs); }
template <typename T> friend glm::vec4 operator-(const T& lhs, const Field<glm::vec4>& rhs) { return glm::vec4(lhs) - static_cast<glm::vec4>(rhs); }
template <typename T> friend glm::vec4 operator*(const T& lhs, const Field<glm::vec4>& rhs) { return glm::vec4(lhs) * static_cast<glm::vec4>(rhs); }
template <typename T> friend glm::vec4 operator/(const T& lhs, const Field<glm::vec4>& rhs) { return glm::vec4(lhs) / static_cast<glm::vec4>(rhs); }
friend glm::vec4& operator+=(glm::vec4& lhs, const Field<glm::vec4>& rhs) { lhs += *rhs; return lhs; }
};
// A component wrapper that "owns" its data through a shared pointer
struct SharedComponentWrapper : ComponentWrapper
{