NazaraEngine/src/ShaderNode/DataModels/VecData.hpp

107 lines
1.9 KiB
C++

#pragma once
#ifndef NAZARA_SHADERNODES_VECDATA_HPP
#define NAZARA_SHADERNODES_VECDATA_HPP
#include <Nazara/Renderer/ShaderAst.hpp>
#include <nodes/NodeData>
#include <QtGui/QImage>
struct VecData : public QtNodes::NodeData
{
inline VecData();
QImage preview;
};
struct Vec2Data : public VecData
{
static constexpr std::size_t ComponentCount = 2;
static constexpr Nz::ShaderAst::ExpressionType ExpressionType = Nz::ShaderAst::ExpressionType::Float2;
QtNodes::NodeDataType type() const override
{
return Type();
}
static QtNodes::NodeDataType Type()
{
return { "vec2", "Vec2" };
}
};
struct Vec3Data : public VecData
{
static constexpr std::size_t ComponentCount = 3;
static constexpr Nz::ShaderAst::ExpressionType ExpressionType = Nz::ShaderAst::ExpressionType::Float3;
QtNodes::NodeDataType type() const override
{
return Type();
}
static QtNodes::NodeDataType Type()
{
return { "vec3", "Vec3" };
}
};
struct Vec4Data : public VecData
{
static constexpr std::size_t ComponentCount = 4;
static constexpr Nz::ShaderAst::ExpressionType ExpressionType = Nz::ShaderAst::ExpressionType::Float4;
QtNodes::NodeDataType type() const override
{
return Type();
}
static QtNodes::NodeDataType Type()
{
return { "vec4", "Vec4" };
}
};
struct VecTypeDummy {};
template<std::size_t N>
struct VecTypeHelper;
template<>
struct VecTypeHelper<0>
{
using Type = VecTypeDummy;
};
template<>
struct VecTypeHelper<1>
{
using Type = std::array<float, 1>;
};
template<>
struct VecTypeHelper<2>
{
using Type = Nz::Vector2f;
};
template<>
struct VecTypeHelper<3>
{
using Type = Nz::Vector3f;
};
template<>
struct VecTypeHelper<4>
{
using Type = Nz::Vector4f;
};
template<std::size_t N> using VecType = typename VecTypeHelper<N>::template Type;
constexpr std::array<char, 4> s_vectorComponents = { 'X', 'Y', 'Z', 'W' };
#include <ShaderNode/DataModels/VecData.inl>
#endif