vertex.h

#pragma once

#include "renderer/d3d12_includes.h"
#include "util/vector.h"

#define BLOWBOX_USE_32BIT_INDICES

namespace blowbox
{
#ifdef BLOWBOX_USE_32BIT_INDICES
    typedef uint32_t Index;
#else
    typedef uint16_t Index;
#endif

    class Vertex
    {
    public:
        Vertex() :
            position(0.0f, 0.0f, 0.0f),
            normal(0.0f, 1.0f, 0.0f),
            tangent(1.0f, 0.0f, 0.0f),
            uv(0.0f, 0.0f),
            color(1.0f, 0.0f, 1.0f, 0.0f)
        {
        
        }

        DirectX::XMFLOAT3 position;     
        DirectX::XMFLOAT3 normal;       
        DirectX::XMFLOAT3 tangent;      
        DirectX::XMFLOAT2 uv;           
        DirectX::XMFLOAT4 color;        

        static Vector<D3D12_INPUT_ELEMENT_DESC> GetInputElements() 
        {
            Vector<D3D12_INPUT_ELEMENT_DESC> input_elements(5);

            input_elements[0] = { "POSITION",    0, DXGI_FORMAT_R32G32B32_FLOAT,     0, 0,   D3D12_INPUT_CLASSIFICATION_PER_VERTEX_DATA, 0 };
            input_elements[1] = { "NORMAL",      0, DXGI_FORMAT_R32G32B32_FLOAT,     0, 12,  D3D12_INPUT_CLASSIFICATION_PER_VERTEX_DATA, 0 };
            input_elements[2] = { "TANGENT",     0, DXGI_FORMAT_R32G32B32_FLOAT,     0, 24,  D3D12_INPUT_CLASSIFICATION_PER_VERTEX_DATA, 0 };
            input_elements[3] = { "UV",          0, DXGI_FORMAT_R32G32_FLOAT,        0, 36,  D3D12_INPUT_CLASSIFICATION_PER_VERTEX_DATA, 0 };
            input_elements[4] = { "COLOR",       0, DXGI_FORMAT_R32G32B32A32_FLOAT,  0, 44,  D3D12_INPUT_CLASSIFICATION_PER_VERTEX_DATA, 0 };

            return input_elements;
        }
    };
}