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SDBA/src/shaders/entity_shader.h
2021-05-21 16:25:39 +02:00

80 lines
2.0 KiB
C++

#pragma once
#include <glm/gtc/matrix_transform.hpp>
#include <vector>
#include "shader_program.h"
#include "../entities/camera.h"
#include "../entities/light.h"
/*
This class handles the shaders for the entities.
*/
namespace shaders
{
class EntityShader : public ShaderProgram
{
private:
const static int MAX_LIGHTS = 4;
GLuint location_model_matrix;
GLuint location_projection_matrix;
GLuint location_view_matrix;
GLuint location_light_position[MAX_LIGHTS];
GLuint location_light_color[MAX_LIGHTS];
GLuint location_light_attenuation[MAX_LIGHTS];
GLuint location_shine_damper;
GLuint location_reflectivity;
GLuint location_sky_color;
public:
EntityShader();
/*
* @brief: A method to load the model matrix into the shader
*
* @param matrix: The model matrix
*/
void LoadModelMatrix(const glm::mat4& matrix) const;
/*
* @brief: A method to load the projection matrix into the shader
*
* @param projection: The projection matrix
*/
void LoadProjectionMatrix(const glm::mat4& projection) const;
/*
* @brief: A method to load the view matrix (camera) into the shader
*
* @param camera: The camera which the scene needs to be rendered from
*/
void LoadViewMatrix(entities::Camera& camera) const;
/*
* @brief: A method to load some lights into the shader
*
* @param lights: The lights
*/
void LoadLights(std::vector<entities::Light>& lights) const;
/*
* @brief: A method to load the the shine variables from a model into the shader
*
* @param shine_damper: The dampening of the angle from when to render reflectivity on the vertex
* @param reflectivity: The amount the model reflects
*/
void LoadShineVariables(float shine_damper, float reflectivity) const;
/*
* @brief: A method to load the sky color into the shader. This color will be used for the fog
*
* @param sky_color: The color of the sky
*/
void LoadSkyColor(glm::vec3 sky_color) const;
protected:
void SetAttributes() const override;
void GetAllUniformLocations() override;
};
}