sunlight_shader_class.h

#pragma once
 
#include "Logger.h"
#include <d3d11.h>
#include <d3dcompiler.h>
#include <directxmath.h>
#include <fstream>
using namespace DirectX;
using namespace std;
 
class sunlight_shader_class
{
 
private :
    struct matrix_buffer_type
    {
        XMMATRIX world;
        XMMATRIX view;
        XMMATRIX projection;
    };
 
    struct camera_buffer_type
    {
        XMFLOAT3 camera_position;
        float padding;
    };
 
    struct sun_light_buffer_type
    {
        XMFLOAT4 diffuse_color;
        XMFLOAT4 ambient_color;
        XMFLOAT3 sun_direction;
        float intensity;
    };
 
    struct sun_light_color_buffer_type
    {
        XMFLOAT4 sun_color;
    };
 
public :
    sunlight_shader_class();
    sunlight_shader_class(const sunlight_shader_class&);
    ~sunlight_shader_class();
 
    bool initialize(ID3D11Device*, HWND);
    void shutdown();
    bool render(ID3D11DeviceContext*, int, XMMATRIX, XMMATRIX, XMMATRIX, ID3D11ShaderResourceView*, XMFLOAT4, XMFLOAT4, XMFLOAT3,float);
 
private:
    bool initialize_shader(ID3D11Device*, HWND, WCHAR*, WCHAR*);
    void shutdown_shader();
    void output_shader_error_message(ID3D10Blob*, HWND, WCHAR*);
 
    bool set_shader_parameters(ID3D11DeviceContext*, XMMATRIX, XMMATRIX, XMMATRIX, ID3D11ShaderResourceView*, XMFLOAT4, XMFLOAT4, XMFLOAT3, float);
    void render_shader(ID3D11DeviceContext*, int);
 
private:
    ID3D11VertexShader* vertex_shader_;
    ID3D11PixelShader* pixel_shader_;
    ID3D11InputLayout* layout_;
    ID3D11SamplerState* sample_state_;
    ID3D11Buffer* matrix_buffer_;
    ID3D11Buffer* camera_buffer_;
    ID3D11Buffer* sunlight_buffer_;
    ID3D11Buffer* sunlight_color_buffer_;
    ID3D11Buffer* sunlight_position_buffer_;
};